Document:

Exhibit 4.4

Form of Amended and Restated Registration Rights Agreement dated as of April __,
2003 between the Company and certain investors in the November 2002 offering
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                           MEDICAL NUTRITION USA, INC.

               AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

         THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (the
"Agreement") is entered into as of April __, 2003 ("Effective Date"), by and
among MEDICAL NUTRITION USA, INC., a Delaware corporation (the "Company"), and
the purchasers listed on Exhibit A hereto, referred to hereinafter as the
"Purchasers" and each individually as an "Purchaser."

                                    RECITALS

         WHEREAS, the Company and certain of the Purchasers are parties to that
certain Registration Rights Agreement dated November 5, 2002 (the "Registration
Rights Agreement"), which provides for registration and other rights.

         WHEREAS, certain of the Purchasers are purchasing up to Two Million
Dollars ($2,000,000) aggregate principal amount of convertible promissory notes
(the "Financing") pursuant to Loan Agreements dated April __, 2003 (each a "Loan
Agreement" and, together with any subsequent Loan Agreement(s) entered in
connection with the Financing, the "Loan Agreements").

         WHEREAS, in connection with the Financing the parties desire to amend
and restate the Registration Rights Agreement in its entirety as set forth
herein.

         NOW, THEREFORE, in consideration of the premises and for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

Section 1.        GENERAL.

         1.1      Definitions. As used in this Agreement the following terms
shall have the following respective meanings:

                  (a)      "Common Stock" means shares of the Company's common
stock.

                  (b)      "Convertible Notes" means the convertible promissory
notes issued by the Company in favor of certain of the Purchasers listed on
Exhibit A hereto.

                  (c)      "Exchange Act" means the Securities Exchange Act of
1934, as amended.

                  (d)      "Form S-3" means such form under the Securities Act
as in effect on the date hereof or any successor or similar registration form
under the Securities Act subsequently adopted by the SEC which permits inclusion
or incorporation of substantial information by reference to other documents
filed by the Company with the SEC.

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                  (e)      "Holder" means any person owning of record, or having
the right to acquire, Registrable Securities that have not been sold to the
public or any assignee of record of such Registrable Securities in accordance
with Section 2.7 hereof.

                  (f)      "Preferred Stock" means shares of the Company's
preferred stock.

                  (g)      "Register," "registered," and "registration" refer to
a registration effected by preparing and filing a registration statement or
similar document in compliance with the Securities Act, and the declaration or
ordering of effectiveness of such registration statement or document.

                  (h)      "Registrable Securities" means (a) Common Stock of
the Company issuable or issued upon conversion of the Convertible Notes; (b)
Common Stock of the Company issuable or issued upon conversion of shares of
Preferred Stock issuable or issued upon conversion of the Convertible Notes; (c)
Common Stock of the Company issuable or issued upon the exercise of the
Warrants; (d) Common Stock of the Company purchased under the Subscription
Agreements and (e) any Common Stock of the Company issued as (or issuable upon
the conversion or exercise of any warrant, right or other security which is
issued as) a dividend or other distribution with respect to, or in exchange for
or in replacement of, the securities referenced in (a), (b), (c) and (d) above.
Notwithstanding the foregoing, Registrable Securities shall not include any
securities (i) sold by a person to the public either pursuant to a registration
statement or Rule 144, (ii) sold in a private transaction in which the
transferor's rights under Section 2 of this Agreement are not assigned or (iii)
held by a Holder (together with its affiliates) if, as reflected on the
Company's list of stockholders, such Holder (together with its affiliates) holds
less than 1% of the Company's outstanding Common Stock (treating all shares of
Preferred Stock on an as converted basis), the Company has completed its Initial
Offering and all shares of Common Stock of the Company issuable or issued upon
conversion of the Shares held by and issuable to such Holder (and its
affiliates) may be sold pursuant to Rule 144 during any ninety (90) day period.

                  (i)      "Registrable Securities then outstanding" shall be
the number of shares of the Company's Common Stock that are Registrable
Securities and either (a) are then issued and outstanding or (b) are issuable
pursuant to then exercisable or convertible securities.

                  (j)      "Registration Expenses" shall mean all expenses
incurred by the Company in complying with Section 2.1 hereof, including, without
limitation, all registration and filing fees, printing expenses, fees and
disbursements of counsel for the Company, reasonable fees and disbursements of a
single special counsel for the Holders, blue sky fees and expenses and the
expense of any special audits incident to or required by any such registration
(but excluding the compensation of regular employees of the Company which shall
be paid in any event by the Company).

                  (k)      "SEC" or "Commission" means the Securities and
Exchange Commission.

                  (l)      "Securities Act" shall mean the Securities Act of
1933, as amended.

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                  (m)      "Selling Expenses" shall mean all underwriting
discounts and selling commissions applicable to the sale of Registrable
Securities pursuant to this Agreement.

                  (n)      "Special Registration Statement" shall mean (i) a
registration statement relating to any employee benefit plan or (ii) a
registration statement relating to the issuance or resale of securities issued
in a corporate reorganization or other transaction or (iii) a registration
statement on any form that does not permit secondary sales.

                  (o)      "Subscription Agreements" shall mean those
Subscription Agreements for Purchase of Shares dated April 2002, May 2002, June
2002 or July 2002 by and among the Company and certain of the Purchasers.

                  (p)      "Warrants" shall mean warrants to purchase Common
Stock of the Company issued by the Company to the Purchasers listed on Exhibit
A.

Section 2.        REGISTRATION.

         2.1      Piggyback Registrations. The Company shall notify all Holders
of Registrable Securities in writing at least fifteen (15) days prior to the
filing of any registration statement under the Securities Act for purposes of a
public offering of securities of the Company (including, but not limited to,
registration statements relating to secondary offerings of securities of the
Company, but excluding any Special Registration Statements) and will afford each
such Holder an opportunity to include in such registration statement, other than
with respect to a Special Registration Statement, all or part of such
Registrable Securities held by such Holder. Each Holder desiring to include in
any such registration statement all or any part of the Registrable Securities
held by it shall, within fifteen (15) days after the above-described notice from
the Company, so notify the Company in writing. Such notice shall state the
intended method of disposition of the Registrable Securities by such Holder. If
a Holder decides not to include all of its Registrable Securities in any
registration statement thereafter filed by the Company, such Holder shall
nevertheless continue to have the right to include any Registrable Securities in
any subsequent registration statement or registration statements as may be filed
by the Company with respect to offerings of its securities, all upon the terms
and conditions set forth herein.

                  (a)      Underwriting. If the registration statement under
which the Company gives notice under this Section 2.1 is for an underwritten
offering, the Company shall so advise the Holders of Registrable Securities. In
such event, the right of any such Holder to be included in a registration
pursuant to this Section 2.1 shall be conditioned upon such Holder's
participation in such underwriting and the inclusion of such Holder's
Registrable Securities in the underwriting to the extent provided herein. All
Holders proposing to distribute their Registrable Securities through such
underwriting shall enter into an underwriting agreement in customary form with
the underwriter or underwriters selected for such underwriting by the Company.
Notwithstanding any other provision of this Agreement, if the underwriter
determines in good faith that marketing factors require a limitation of the
number of shares to be underwritten, the number of shares that may be included
in the underwriting shall be allocated, first, to the Company; second, to the
Holders on a pro rata basis based on the total number of Registrable Securities
held by the Holders; and third, to any shareholder of the Company (other than a

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Holder) on a pro rata basis. If any Holder disapproves of the terms of any such
underwriting, such Holder may elect to withdraw therefrom by written notice to
the Company and the underwriter, delivered at least ten (10) business days prior
to the effective date of the registration statement. Any Registrable Securities
excluded or withdrawn from such underwriting shall be excluded and withdrawn
from the registration. For any Holder which is a partnership or corporation, the
partners, retired partners and stockholders of such Holder, or the estates and
family members of any such partners and retired partners and any trusts for the
benefit of any of the foregoing person shall be deemed to be a single "Holder,"
and any pro rata reduction with respect to such "Holder" shall be based upon the
aggregate amount of shares carrying registration rights owned by all entities
and individuals included in such "Holder," as defined in this sentence.

                  (b)      Right to Terminate Registration. The Company shall
have the right to terminate or withdraw any registration initiated by it under
this Section 2.1 prior to the effectiveness of such registration whether or not
any Holder has elected to include securities in such registration. The
Registration Expenses of such withdrawn registration shall be borne by the
Company in accordance with Section 2.2 below.

         2.2      Expenses of Registration. Except as specifically provided
herein, all Registration Expenses incurred in connection with any registration,
qualification or compliance pursuant to this Section 2 shall be borne by the
Company. All Selling Expenses incurred in connection with any registrations
hereunder shall be borne by the holders of the securities so registered pro rata
on the basis of the number of shares so registered.

         2.3      Obligations of the Company. Whenever it effects the
registration of any Registrable Securities pursuant to this Section 2, the
Company shall, as expeditiously as reasonably possible:

                  (a)      Prepare and file with the SEC a registration
statement with respect to such Registrable Securities and use all reasonable
efforts to cause such registration statement to become effective, and, upon the
request of the Holders of a majority of the Registrable Securities registered
thereunder, keep such registration statement effective for up to one hundred
twenty (120) days or, if earlier, until the Holder or Holders have completed the
distribution related thereto; provided, however, that (i) such 120-day period
shall be extended for a period of time equal to the period the Holder refrains
from selling any securities included in such registration at the request of an
underwriter of securities of the Company; and (ii) in the case of any
registration of Registrable Securities on Form S-3 which are intended to be
offered on a continuous or delayed basis, such 120-day period shall be extended,
if necessary, to keep the registration statement effective until all such
Registrable Securities are sold, however in no event longer than one year from
the effective date of the registration statement and provided that Rule 145, or
any successor rule under the Securities Act, permits an offering on a continuous
or delayed basis, and provided further that applicable rules under the
Securities Act governing the obligation to file a post-effective amendment
permit, in lieu of filing a post-effective amendment that (a) includes any
prospectus required by Section 10(a)(3) of the Securities Act or (b) reflects
facts or events representing a material or fundamental change in the information
set forth in the registration statement, the incorporation by reference of
information required to be included in (a) or (b) above to be contained in
periodic reports filed pursuant to Section 13 or 15(d) of the Exchange Act in
the registration statement.

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                  (b)      Prepare and file with the SEC such amendments and
supplements to such registration statement and the prospectus used in connection
with such registration statement as may be necessary to comply with the
provisions of the Securities Act with respect to the disposition of all
securities covered by such registration statement for the period set forth in
subsection (a) above.

                  (c)      Furnish to the Holders such number of copies of a
prospectus, including a preliminary prospectus, in conformity with the
requirements of the Securities Act, and such other documents as they may
reasonably request in order to facilitate the disposition of Registrable
Securities owned by them.

                  (d)      Use its reasonable efforts to register and qualify
the securities covered by such registration statement under such other
securities or Blue Sky laws of such jurisdictions as shall be reasonably
requested by the Holders; provided that the Company shall not be required in
connection therewith or as a condition thereto to qualify to do business or to
file a general consent to service of process in any such states or
jurisdictions.

                  (e)      In the event of any underwritten public offering,
enter into and perform its obligations under an underwriting agreement, in usual
and customary form, with the managing underwriter(s) of such offering. Each
Holder participating in such underwriting shall also enter into and perform its
obligations under such an agreement.

                  (f)      Notify each Holder of Registrable Securities covered
by such registration statement at any time when a prospectus relating thereto is
required to be delivered under the Securities Act of the happening of any event
as a result of which the prospectus included in such registration statement, as
then in effect, includes an untrue statement of a material fact or omits to
state a material fact required to be stated therein or necessary to make the
statements therein not misleading in the light of the circumstances then
existing. The Company will use reasonable efforts to amend or supplement such
prospectus in order to cause such prospectus not to include any untrue statement
of a material fact or omit to state a material fact required to be stated
therein or necessary to make the statements therein not misleading in the light
of the circumstances then existing.

                  (g)      Use its reasonable efforts to furnish, on the date
that such Registrable Securities are delivered to the underwriters for sale, if
such securities are being sold through underwriters, (i) an opinion, dated as of
such date, of the counsel representing the Company for the purposes of such
registration, in form and substance as is customarily given to underwriters in
an underwritten public offering, addressed to the underwriters, if any, and (ii)
a letter, dated as of such date, from the independent certified public
accountants of the Company, in form and substance as is customarily given by
independent certified public accountants to underwriters in an underwritten
public offering addressed to the underwriters.

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                  (h)      Cause all such Registrable Securities registered
pursuant hereunder to be listed on each securities exchange on which similar
securities issued by the Company are then listed.

                  (i)      Provide a transfer agent and registrar for all
Registrable Securities registered pursuant hereunder and a CUSIP number for all
such Registrable Securities, in each case not later than the effective date of
such registration.

         2.4      Termination of Registration Rights. All registration rights
granted under this Section 2 shall terminate and be of no further force and
effect on the earlier to occur of (a) the date upon which all Registrable
Securities can be sold under Rule 144(k); or (b) the fifth (5th) anniversary of
the Effective Date of this Agreement.

         2.5      Delay of Registration; Furnishing Information.

                  (a)      No Holder shall have any right to obtain or seek an
injunction restraining or otherwise delaying any such registration as the result
of any controversy that might arise with respect to the interpretation or
implementation of this Section 2.

                  (b)      It shall be a condition precedent to the obligations
of the Company to take any action pursuant to Section 2.1 that the selling
Holders shall furnish to the Company such information regarding themselves, the
Registrable Securities held by them and the intended method of disposition of
such securities as shall be required to effect the registration of their
Registrable Securities.

         2.6      Indemnification. In the event any Registrable Securities are
included in a registration statement under Section 2.1:

                  (a)      To the extent permitted by law, the Company will
indemnify and hold harmless each Holder, the partners, members, officers and
directors of each Holder, any underwriter (as defined in the Securities Act) for
such Holder and each person, if any, who controls such Holder or underwriter
within the meaning of the Securities Act or the Exchange Act, against any
losses, claims, damages, or liabilities (joint or several) to which they may
become subject under the Securities Act, the Exchange Act or other federal or
state law, insofar as such losses, claims, damages or liabilities (or actions in
respect thereof) arise out of or are based upon any of the following statements,
omissions or violations (collectively a "Violation"): (i) any untrue statement
or alleged untrue statement of a material fact contained in such registration
statement or incorporated by reference therein, including any preliminary
prospectus or final prospectus contained therein or any amendments or
supplements thereto, (ii) the omission or alleged omission to state therein a
material fact required to be stated therein, or necessary to make the statements
therein not misleading, or (iii) any violation or alleged violation by the
Company of the Securities Act, the Exchange Act, any state securities law or any
rule or regulation promulgated under the Securities Act, the Exchange Act or any
state securities law in connection with the offering covered by such
registration statement; and the Company will reimburse each such Holder,
partner, member, officer, director, underwriter or controlling person for any
legal or other expenses reasonably incurred by them in connection with
investigating or defending any such loss, claim, damage, liability or action;

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provided however, that the indemnity agreement contained in this Section 2.6(a)
shall not apply to amounts paid in settlement of any such loss, claim, damage,
liability or action if such settlement is effected without the consent of the
Company, which consent shall not be unreasonably withheld, nor shall the Company
be liable in any such case for any such loss, claim, damage, liability or action
to the extent that it arises out of or is based upon a Violation which occurs in
reliance upon and in conformity with written information furnished expressly for
use in connection with such registration by such Holder, partner, member,
officer, director, underwriter or controlling person of such Holder.

                  (b)      To the extent permitted by law, each Holder will, if
Registrable Securities held by such Holder are included in the securities as to
which such registration qualifications or compliance is being effected,
indemnify and hold harmless the Company, each of its directors, its officers and
each person, if any, who controls the Company within the meaning of the
Securities Act, any underwriter and any other Holder selling securities under
such registration statement or any of such other Holder's partners, directors or
officers or any person who controls such Holder, against any losses, claims,
damages or liabilities (joint or several) to which the Company or any such
director, officer, controlling person, underwriter or other such Holder, or
partner, director, officer or controlling person of such other Holder may become
subject under the Securities Act, the Exchange Act or other federal or state
law, insofar as such losses, claims, damages or liabilities (or actions in
respect thereto) arise out of or are based upon any of the following statements,
omissions or violations (collectively, a "Holder Violation"): (i) any untrue
statement or alleged untrue statement of a material fact contained in such
registration statement or incorporated by reference therein, including any
preliminary prospectus or final prospectus contained therein or any amendments
or supplements thereto, (ii) the omission or alleged omission to state therein a
material fact required to be stated therein, or necessary to make the statements
therein not misleading, or (iii) any violation or alleged violation by the
Company of the Securities Act, in each case to the extent (and only to the
extent) that such Holder Violation occurs in reliance upon and in conformity
with written information furnished by such Holder under an instrument duly
executed by such Holder and stated to be specifically for use in connection with
such registration; and each such Holder will reimburse any legal or other
expenses reasonably incurred by the Company or any such director, officer,
controlling person, underwriter or other Holder, or partner, officer, director
or controlling person of such other Holder in connection with investigating or
defending any such loss, claim, damage, liability or action if it is judicially
determined that there was such a Holder Violation; provided, however, that the
indemnity agreement contained in this Section 2.6(b) shall not apply to amounts
paid in settlement of any such loss, claim, damage, liability or action if such
settlement is effected without the consent of the Holder, which consent shall
not be unreasonably withheld; provided further, that in no event shall any
indemnity under this Section 2.6 exceed the proceeds from the offering received
by such Holder.

                  (c)      Promptly after receipt by an indemnified party under
this Section 2.6 of notice of the commencement of any action (including any
governmental action), such indemnified party will, if a claim in respect thereof
is to be made against any indemnifying party under this Section 2.6, deliver to
the indemnifying party a written notice of the commencement thereof and the
indemnifying party shall have the right to participate in, and, to the extent
the indemnifying party so desires, jointly with any other indemnifying party
similarly noticed, to assume the defense thereof with counsel mutually

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satisfactory to the parties; provided, however, that an indemnified party shall
have the right to retain its own counsel, with the fees and expenses to be paid
by the indemnifying party, if representation of such indemnified party by the
counsel retained by the indemnifying party would be inappropriate due to actual
or potential differing interests between such indemnified party and any other
party represented by such counsel in such proceeding. The failure to deliver
written notice to the indemnifying party within a reasonable time of the
commencement of any such action, if materially prejudicial to its ability to
defend such action, shall relieve such indemnifying party of any liability to
the indemnified party under this Section 2.6, but the omission so to deliver
written notice to the indemnifying party will not relieve it of any liability
that it may have to any indemnified party otherwise than under this Section 2.6.

                  (d)      If the indemnification provided for in this Section
2.6 is held by a court of competent jurisdiction to be unavailable to an
indemnified party with respect to any losses, claims, damages or liabilities
referred to herein, the indemnifying party, in lieu of indemnifying such
indemnified party thereunder, shall to the extent permitted by applicable law
contribute to the amount paid or payable by such indemnified party as a result
of such loss, claim, damage or liability in such proportion as is appropriate to
reflect the relative fault of the indemnifying party on the one hand and of the
indemnified party on the other in connection with the statements or omissions
that resulted in such loss, claim, damage or liability, as well as any other
relevant equitable considerations. The relative fault of the indemnifying party
and of the indemnified party shall be determined by a court of law by reference
to, among other things, whether the untrue or alleged untrue statement of a
material fact or the omission to state a material fact relates to information
supplied by the indemnifying party or by the indemnified party and the parties'
relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission; provided, that in no event shall any
contribution by a Holder hereunder exceed the proceeds from the offering
received by such Holder.

                  (e)      The obligations of the Company and Holders under this
Section 2.6 shall survive completion of any offering of Registrable Securities
in a registration statement and the termination of this Agreement. No
indemnifying party, in the defense of any such claim or litigation, shall,
except with the consent of each indemnified party, consent to entry of any
judgment or enter into any settlement which does not include as an unconditional
term thereof the giving by the claimant or plaintiff to such Indemnified Party
of a release from all liability in respect to such claim or litigation.

         2.7      Assignment of Registration Rights. The rights to cause the
Company to register Registrable Securities pursuant to this Section 2 may be
assigned by a Holder to a transferee or assignee of Registrable Securities that
(a) is a wholly-owned subsidiary, parent, general partner, limited partner,
retired partner, member or retired member of a Holder, (b) is a Holder's family
member or trust for the benefit of an individual Holder, or (c) acquires at
least ten percent (10%) of the then outstanding shares of Common Stock, (as
adjusted for stock splits and combinations); provided, however, (i) the
transferor shall, within ten (10) days after such transfer, furnish to the
Company written notice of the name and address of such transferee or assignee
and the securities with respect to which such registration rights are being
assigned; (ii) such transferee shall agree to be subject to all restrictions set
forth in this Agreement; and (iii) such transferee shall not be a competitor of
the Company as determined in the reasonable discretion of the Board of Directors
of the Company.

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         2.8      Amendment of Registration Rights. Any provision of this
Section 2 may be amended and the observance thereof may be waived (either
generally or in a particular instance and either retroactively or
prospectively), only with the written consent of the Company and the Holders of
at least a majority of the Registrable Securities then outstanding. Any
amendment or waiver effected in accordance with this Section 2.8 shall be
binding upon each Holder and the Company. By acceptance of any benefits under
this Section 2, Holders of Registrable Securities hereby agree to be bound by
the provisions hereunder.

         2.9      Rule 144 Reporting. With a view to making available to the
Holders the benefits of certain rules and regulations of the SEC which may
permit the sale of the Registrable Securities to the public without
registration, the Company agrees to use its best efforts to:

                  (a)      Make and keep public information available, as those
terms are understood and defined in SEC Rule 144 or any similar or analogous
rule promulgated under the Securities Act, at all times after the effective date
of the first registration filed by the Company for an offering of its securities
to the general public.

                  (b)      File with the SEC, in a timely manner, all reports
and other documents required of the Company under the Exchange Act and the
Securities Act.

                  (c)      So long as a Holder owns any Registrable Securities,
furnish to such Holder forthwith upon request: (i) a written statement by the
Company as to its compliance with the reporting requirements of said Rule 144,
the Securities Act, and of the Exchange Act (at any time after it has become
subject to such reporting requirements); (ii) a copy of the most recent annual
or quarterly report of the Company filed with the Commission and such other
reports and documents so filed by the Company; and (iii) such other reports,
documents and information as a Holder may reasonably request in connection with
availing itself of any rule or regulation of the SEC allowing it to sell any
such securities without registration.

Section 3.        MISCELLANEOUS.

         3.1      Governing Law. This Agreement shall be governed by and
construed under the laws of the State of Delaware in all respects as such laws
are applied to agreements among Delaware residents entered into and performed
entirely within Delaware. The parties agree that any action brought by either
party under or in relation to this Agreement, including without limitation to
interpret or enforce any provision of this Agreement, shall be brought in, and
each party agrees to and does hereby submit to the jurisdiction and venue of,
any state or federal court located in Delaware.

         3.2      Successors and Assigns. Except as otherwise expressly provided
herein, the provisions hereof shall inure to the benefit of, and be binding
upon, the parties hereto and their respective successors, assigns, heirs,
executors, and administrators and shall inure to the benefit of and be
enforceable by each person who shall be a holder of Registrable Securities from
time to time; provided, however, that prior to the receipt by the Company of
adequate written notice of the transfer of any Registrable Securities specifying

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the full name and address of the transferee, the Company may deem and treat the
person listed as the holder of such shares in its records as the absolute owner
and holder of such shares for all purposes, including the payment of dividends
or any redemption price.

         3.3      Entire Agreement. This Agreement, the exhibits and schedules
hereto, and the Loan Agreement and the other documents delivered pursuant
thereto (collectively, the "related Agreements") constitute the full and entire
understanding and agreement between the parties with regard to the subjects
hereof and no party shall be liable or bound to any other in any manner by any
oral or written representations, warranties, covenants and agreements except as
specifically set forth herein and therein. Each party expressly represents and
warrants that it is not relying on any oral or written representations,
warranties, covenants or agreements outside of this Agreement and the Related
Agreements.

         3.4      Severability. In the event one or more of the provisions of
this Agreement should, for any reason, be held to be invalid, illegal or
unenforceable in any respect, such invalidity, illegality, or unenforceability
shall not affect any other provisions of this Agreement, and this Agreement
shall be construed as if such invalid, illegal or unenforceable provision had
never been contained herein.

         3.5      Amendment and Waiver.

                  (a)      Except as otherwise expressly provided, this
Agreement may be amended or modified only upon the written consent of the
Company and the holders of at least a majority of the then-outstanding
Registrable Securities.

                  (b)      Except as otherwise expressly provided, the
obligations of the Company and the rights of the Holders under this Agreement
may be waived only with the written consent of the holders of at least a
majority of the then-outstanding Registrable Securities.

                  (c)      For the purposes of determining the number of Holders
or Purchasers entitled to vote or exercise any rights hereunder, the Company
shall be entitled to rely solely on the list of record holders of its stock as
maintained by or on behalf of the Company.

         3.6      Delays or Omissions. It is agreed that no delay or omission to
exercise any right, power, or remedy accruing to any party, upon any breach,
default or noncompliance by another party under this Agreement, or the Related
Agreements, shall impair any such right, power, or remedy, nor shall it be
construed to be a waiver of any such breach, default or noncompliance, or any
acquiescence therein, or of any similar breach, default or noncompliance
thereafter occurring. It is further agreed that any waiver, permit, consent, or
approval of any kind or character on any party's part of any breach, default or
noncompliance under this Agreement or the Related Agreements or any waiver on
such party's part of any provisions or conditions of this Agreement or the
Related Agreements must be in writing and shall be effective only to the extent
specifically set forth in such writing. All remedies, either under this
Agreement or the Related Agreements, by law, or otherwise afforded to any party,
shall be cumulative and not alternative.

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         3.7      Notices. Any communications between the parties or notices
provided for in this Agreement may be given by mailing them, first class,
postage prepaid, to the Company at the address as set forth on the signature
page hereof and to Purchaser at the address as set forth on Exhibit A hereto or
to such other address as either party may indicate to the other in writing after
the date of this Agreement.

         3.8      Attorneys' Fees. In the event that any suit or action is
instituted under or in relation to this Agreement, including without limitation
to enforce any provision in this Agreement, the prevailing party in such dispute
shall be entitled to recover from the losing party all fees, costs and expenses
of enforcing any right of such prevailing party under or with respect to this
Agreement, including without limitation, such reasonable fees and expenses of
attorneys and accountants, which shall include, without limitation, all fees,
costs and expenses of appeals.

         3.9      Titles and Subtitles. The titles of the sections and
subsections of this Agreement are for convenience of reference only and are not
to be considered in construing this Agreement.

         3.10     Counterparts; Facsimile. This Agreement may be executed in any
number of counterparts, each of which shall be an original, but all of which
together shall constitute one instrument. To the maximum extent permitted by law
or by any applicable governmental authority, this Agreement may be signed and
transmitted by facsimile with the same validity as if it were an ink-signed
document.

         3.11     Aggregation of Stock. All shares of Registrable Securities
held or acquired by affiliated entities or persons or persons or entities under
common management or control shall be aggregated together for the purpose of
determining the availability of any rights under this Agreement.

         3.12     Additional Purchasers. Notwithstanding anything to the
contrary contained herein, if additional purchasers shall participate in the
Financing by executing Loan Agreements, any such purchaser shall become a party
to this Agreement by executing and delivering an additional counterpart
signature page to this Agreement and shall be deemed a "Purchaser," a "Holder"
and a party hereunder.

         3.13     Pronouns. All pronouns contained herein, and any variations
thereof, shall be deemed to refer to the masculine, feminine or neutral,
singular or plural, as to the identity of the parties hereto may require.

                  [Remainder of Page Intentionally Left Blank]

                                      -12-
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this AMENDED AND
RESTATED REGISTRATION RIGHTS AGREEMENT as of the date set forth in the first
paragraph hereof.

COMPANY:

MEDICAL NUTRITION USA, INC.

/s/ FRANK A. NEWMAN
--------------------------------------------------
Frank A. Newman, Chairman, Chief Executive Officer

10 West Forest Avenue
Englewood, New Jersey  07631

Fax: (201) 569-3224

                                      -13-
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this AMENDED AND
RESTATED REGISTRATION RIGHTS AGREEMENT as of the date set forth in the first
paragraph hereof.

                                       PURCHASER:

                                       _________________________________________
                                             (insert name of Purchaser)

                                       By: _____________________________________

                                       Print Name: _____________________________

                                       Title: __________________________________
                                                       (if applicable)

                                      -14-
<PAGE>

                                    Exhibit A
                                    ---------

                             Schedule of Purchasers
<PAGE>
                                 2003 FINANCING

Name                                                   Amount            State
----                                                   ------            -----

MHR Capital Partners LP                           $665,000.00               NY
The Ullman Family Partnership (R. Ullman)         $600,000.00               NJ
Frank Newman                                      $550,000.00               VA
Mark Rachesky                                     $300,000.00               NY
Kahan Memorial Foundation (A. Eisenreich)         $200,000.00               NJ
Grand Slam LLC (Andy Horowitz)                    $100,000.00               NJ
Peter Sudler                                      $100,000.00               NJ
Stephen Irwin                                     $100,000.00               NJ
Joseph S. Littenberg                               $75,000.00               NJ
Sidney David                                       $50,000.00               NJ
Patrick Lander                                     $50,000.00               CT
Larry Burstein                                     $37,500.00               NY
Richard Rosenstock                                 $37,500.00               NY
Sue Berland                                        $37,500.00               NY
Gene Terry                                         $25,000.00               FL
Leslie Slutsky                                     $22,500.00               NY
Steven Burns                                       $37,500.00               CA
Arnold Gans                                        $15,000.00               NJ
Myra Gans                                          $15,000.00               NJ
Barbara Goldin                                     $15,000.00               FL
Cricket Services, Ltd (John Cattier)               $15,000.00           Europe
Richard Braver                                     $15,000.00               MD
Richard Kress                                      $15,000.00               MD
Steven Milner                                      $15,000.00               NY
Hal Goldstein                                      $10,000.00               NY
Sai Devabhaktuni                                   $10,000.00               NY
Emily Fine                                         $10,000.00               NY
Mark Rosenberg                                      $5,000.00               NYExhibit 4.5

Form of Common Stock Purchase Warrant dated November 5, 2002 between the Company
and certain investors
<PAGE>

VOID AFTER 5:00 P.M. EASTERN TIME ON NOVEMBER 5, 2005

NEITHER THIS WARRANT NOR THE WARRANT SHARES HAVE BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933. THE COMPANY WILL NOT TRANSFER THIS WARRANT OR THE
WARRANT SHARES UNLESS (i) THERE IS AN EFFECTIVE REGISTRATION COVERING SUCH
WARRANT OR SUCH WARRANT SHARES, AS THE CASE MAY BE, UNDER THE SECURITIES ACT OF
1933 AND APPLICABLE STATES SECURITIES LAWS, (ii) IT FIRST RECEIVES A LETTER FROM
AN ATTORNEY, ACCEPTABLE TO THE BOARD OF DIRECTORS AND ITS AGENTS, STATING THAT
IN THE OPINION OF THE ATTORNEY THE PROPOSED TRANSFER IS EXEMPT FROM REGISTRATION
UNDER THE SECURITIES ACT OF 1933 AND UNDER ALL APPLICABLE STATE SECURITIES LAWS,
OR (iii) THE TRANSFER IS MADE PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF
1933.

                              GENDER SCIENCES, INC.
                          COMMON STOCK PURCHASE WARRANT
                          -----------------------------

                                                        Warrant to Subscribe for
November 5, 2002                                _________ Shares of Common Stock

                         Not Transferable or Exercisable
                     Except Upon Conditions Herein Specified
                     ---------------------------------------

         THIS CERTIFIES that, for value received, _____________________________
(such person or entity and any successor and assign being hereinafter referred
to as the "Holder") is entitled to subscribe for and purchase from Gender
Sciences, Inc., a New Jersey corporation (hereinafter called the "Company"),
_____________ (_________) shares of Common Stock, (the "Common Stock"), of the
Company (such shares to be subject to adjustment in accordance with Sections 1
and 5 hereof, hereinafter sometimes called the "Warrant Shares") at an exercise
price of Seventy five Cents ($0.75) per share as adjusted in accordance with
Section 1 hereof (the "Strike Price'), at any time or from time to time from the
date hereof to and including November _, 2005 (the "Exercise Period").

         1.       Exercise of Warrant.

                  1.1      The rights represented by this Warrant may be
exercised by the Holder hereof, in whole at any time or in part from time to
time during the Exercise Period, but not as to a fractional share of Common
Stock, by the surrender of this Warrant (properly endorsed) at the principal
office of the Company, at 10 West Forest Avenue, Englewood, New Jersey 07631 (or
at such other agency or office of the Company in the United States of America as
the Company may designate by notice in writing to the Holder hereof at the
address of such Holder appearing on the books of the Company), and by payment to
the Company of the Strike Price in cash or by certified or official bank check
in United States Dollars for each share being purchased (the "Exercise

                                       -2-
<PAGE>

Payment"); provided, however, that, at the option of the Holder, the Exercise
Payment may instead be satisfied by withholding from those Warrant Shares that
would otherwise be obtained upon such exercise (the "Total Warrant Shares") a
number of Warrant Shares having an aggregate Current Fair Market Value (as
defined below) equal to the aggregate Strike Price that would otherwise have
been payable for the Total Warrant Shares.

                  1.2      In the event of any exercise of the rights
represented by this Warrant, (i) a certificate or certificates for the shares of
Common Stock so purchased, registered in the name of the person entitled to
receive the same, shall be mailed to the Holder within a reasonable time after
the rights represented by this Warrant shall have been so exercised; provided,
however, that the Company shall not be required to pay any tax which may be
payable in respect of any transfer involved in the issuance and delivery of any
such certificate in a name other than that of the registered Holder thereof, and
the Company shall not be required to issue or deliver such certificates unless
or until the person or persons requesting the issuance thereof shall have paid
to the Company the amount of such tax or shall have established to the
satisfaction of the Company that such tax has been paid; and (ii) unless this
Warrant has expired, a new Warrant representing the number of shares (except a
remaining fractional share), if any, with respect to which this Warrant shall
not then have been exercised shall also be issued to the Holder hereof within
such time. The person in whose name any certificate for shares of Common Stock
is issued upon exercise of this Warrant, shall for all purposes be deemed to
have become the Holder of record of such shares on the date on which this
Warrant was surrendered and payment of the Strike Price was made (unless the
cashless exercise option described in the foregoing proviso is selected by the
Holder), irrespective of the date of delivery of such certificate, except that,
if the date of such surrender and payment is a date when the stock transfer
books of the Company are closed, such person shall be deemed to have become the
Holder of record of such shares at the close of business on the next succeeding
date on which the stock transfer books are open. The issuance of any shares of
Common Stock pursuant to the terms of this Warrant shall at all times be subject
to compliance with all requirements of the Securities Act of 1933, as amended,
and with all applicable foreign and state securities and blue sky laws then in
effect. If the Holder elects to use the cashless exercise option described in
Section 1.1 above to exercise this Warrant by withholding a portion of the Total
Warrant Shares, this Warrant shall be terminated with respect to the number of
Total Warrant Shares withheld.

                  1.3      Current Fair Market Value. For the purposes of this
Warrant, the "Current Fair Market Value" of each share of Common Stock shall be
determined as follows:

                           1.3.1    If the Common Stock is listed on a national
securities exchange or admitted to unlisted trading privileges on such an
exchange, the Current Fair Market Value shall be the average of the last
reported sale prices of the Common Stock on such exchange based on the last
thirty (30) Business Days (as defined below) prior to the date of exercise of
this Warrant, or, if the Common Stock is not so listed or admitted to unlisted
trading privileges on a national securities exchange but is listed on NASDAQ,
the Current Fair Market Value shall be the average of the last reported sale
prices of the Common Stock on NASDAQ based on the last thirty (30) Business Days
prior to the date of exercise of this Warrant; or

                           1.3.2    If the Common Stock is not so listed or
admitted to unlisted trading privileges on a national securities exchange or
quoted on NASDAQ, the Current Fair Market Value shall be the average mean of the

                                       -3-
<PAGE>

last closing bid and asked prices reported on the last five (5) Business Days
prior to the date of exercise of this Warrant (x) by NASDAQ, or (y) if reports
are unavailable under clause (x) above, by the National Quotation Bureau
Incorporated ("NAB"); or

                           1.3.3    If the Common Stock is not so listed or
admitted to unlisted trading privileges on a national securities exchange and
bid and asked prices are not so reported by NASDAQ or NAB, the Current Fair
Market Value shall be an amount per share, determined in such reasonable manner
as may be prescribed by the Company's Board of Directors in good faith.

                           1.3.4    As used in this Section 3, "Business Day"
means any day other than a Saturday or Sunday on which the relevant exchange,
system or service is open or available, as the case may be.

                  1.4      Adjustments in Number and Strike Prices of Warrant
Shares. If, pursuant to the Qualifying Equity Financing (as defined below), the
Company sells (i) Common Stock at a price per share less than the Strike Price,
then the Company shall exchange this Warrant for a warrant to purchase the same
number of shares of Common Stock at a price per share equal to the price per
share offered in the Qualifying Equity Financing; or (ii) Preferred Stock at a
price per share equal to or less than the Strike Price, then the Company shall
exchange the Warrant for warrant to purchase the same number of shares of
Preferred Stock at a price per share equal to the price per share offered in the
Qualifying Equity Financing. A "Qualified Equity Financing" shall mean an equity
financing in which the Company sells shares of Common Stock or Preferred Stock
and obtains net proceeds (including conversion of all convertible notes in
connection with a bridge financing) in an amount not less than Two Million
Dollars ($2,000,000).

                  1.5      Covenants as to Common Stock. The Company covenants
and agrees all Warrant Shares will, upon issuance, be validly issued, fully paid
and nonassessable, and free from all taxes, liens and charges with respect to
the issue thereof. The Company currently has enough authorized shares sufficient
to effect the exercise of this Warrant. Notwithstanding the foregoing, the
Company's current authorized shares are not sufficient to effect the exercise of
this Warrant assuming full exercise and conversion of the Company's other
outstanding options and convertible securities. Accordingly, the Company hereby
covenants and agrees to expeditiously take such corporate action as may be
necessary to amend the Company's Articles of Incorporation to increase its
authorized but unissued shares of capital stock to the number of shares as shall
be sufficient for the conversion of all of its outstanding options and
convertible securities. If and so long as the Common Stock issuable upon the
exercise of this Warrant is listed on any national securities exchange, the
Company will, if permitted by the rules of such exchange, list and keep listed
on such exchange, upon official notice of issuance, all of the Warrant Shares.

         2.       Transfer.

                  2.1      Securities Laws. Neither this Warrant nor the Warrant
Shares have been registered under the Securities Act of 1933. The Company will
not transfer this Warrant or the Warrant Shares unless (i) there is an effective

                                       -4-
<PAGE>

registration covering such Warrant or such shares, as the case may be, under the
Securities Act of 1933 and applicable states securities laws, (ii) it first
receives a letter from an attorney, acceptable to the Company's board of
directors or its agents, stating that in the opinion of the attorney the
proposed transfer is exempt from registration under the Securities Act of 1933
and under all applicable state securities laws, or (iii) the transfer is made
pursuant to Rule 144 under the Securities Act of 1933.

                  2.2      Compliance With Blue Sky Laws. The Company will be
able to issue the Warrant Shares upon exercise of the Warrant only if there is a
then current Offering Memorandum or registration statement available for and
distributed to the Warrant Holders relating to such Common Stock, and only if
such Warrant and Common Stock is qualified for sale or exempt from qualification
under applicable state securities laws of the jurisdiction in which the Holders
of the Warrants reside. The Company reserves the right in its sole discretion to
determine not to apply for exemptions or to register such Common Stock in any
jurisdiction where the time and expense do not justify the costs of such
exemption filing or registration. The Warrants may be deprived of any value in
the event the Company does not satisfy or the Company chooses not to satisfy any
such requirements. Although it is the present intention of the Company to
satisfy such requirements, there can be no assurance the Company will be able to
do so; provided, however, the Company will not be permitted to accelerate the
termination of the Exercise Period of these Warrants unless such acceleration is
accomplished in full compliance with Section 1 hereof.

                  2.3      Investment Representations. The Holder of the Warrant
agrees and acknowledges the Warrant is being purchased for his own account, for
investment purposes only, that he, she or it either has a prior personal or
business relationship with the officers, directors or controlling persons, or by
reason of his business or financial experience, or the business or financial
experience of he and his professional advisors who are unaffiliated with and not
compensated by the Company, could be reasonably assumed to have the capacity to
protect his, her or its own interests in connection with the purchase of and the
exercise of the Warrants, and not for the account of any other person, and not
with a view to distribution, assignment or resale to others or to
fractionalization in whole or in part, and the Holder further represents,
warrants and agrees as follows: no other person has or will have a direct or
indirect beneficial interest in this Warrant and the Holder will not sell,
hypothecate or otherwise transfer his Warrant except in accordance with the Act
and applicable state securities laws or unless, in the opinion of counsel for
the Holder acceptable to the Company, an exemption from the registration
requirements of the Securities Act and such state laws is available.

                  2.4      Conditions to Transfer. Prior to any such proposed
transfer, and as a condition thereto, if such transfer is not made pursuant to
an effective registration statement under the Securities Act, the Holder will,
if requested by the Company, deliver to the Company (i) an investment covenant
signed by the proposed transferee, (ii) an agreement by such transferee that the
restrictive investment legend set forth above be placed on the certificate or
certificates representing the securities acquired by such transferee, (iii) an
agreement by such transferee that the Company may place a "stop transfer order"
with its transfer agent or registrar, and (iv) an agreement by the transferee to
indemnify the Company to the same extent as set forth in the next succeeding
paragraph.

                                       -5-
<PAGE>

                  2.5      Indemnity. The Holder acknowledges the Holder
understands the meaning and legal consequences of this Section, and the Holder
hereby agrees to indemnify and hold harmless the Company, its representatives
and each officer, director, agent, and legal counsel thereof from and against
any and all loss, damage or liability (including all attorneys' fees and costs
incurred in enforcing this indemnity provision) due to or arising out of (a) the
inaccuracy of any representation or the breach of any warranty of the Holder
contained in, or any other breach of, this Warrant, (b) any transfer of any of
this Warrant or the Warrant Shares in violation of the Securities Act of 1933,
the Securities Exchange Act of 1934, as amended, or the rules and regulations
promulgated under either of such acts, (c) any transfer of this Warrant or any
of the Warrant Shares not in accordance with this Warrant or (d) any untrue
statement or omission to state any material fact in connection with the
investment representations or with respect to the facts and representations
supplied by the Holder to counsel to the Company upon which its opinion as to a
proposed transfer shall have been based.

                  2.6      Holdback Period and Transfer. Except as specifically
restricted hereby, this Warrant and the Warrant Shares issued may be transferred
by the Holder in whole or in part at any time or from time to time. Upon
surrender of this Warrant certificate to the Company or at the office of its
stock transfer agent, if any, with the Assignment Form annexed hereto duly
executed and funds sufficient to pay any transfer tax, and upon compliance with
the foregoing provisions, the Company shall, without charge, execute and deliver
a new Warrant certificate in the name of the assignee named in such instrument
of assignment, and this Warrant certificate shall promptly be canceled. Any
assignment, transfer, pledge, hypothecation or other disposition of this Warrant
attempted contrary to the provisions of this Warrant, or any levy of execution,
attachment or other process attempted upon this Warrant, shall be null and void
and without effect.

         3.       Rights of the Holder. The Holder shall not, by virtue hereof,
be entitled to any rights of a stockholder in the Company, either at law or in
equity, and the rights of the Holder are limited to those expressed in this
Warrant.

         4.       Anti-Dilution Provisions.

                  4.1      Stock Splits, Dividends, Etc.

                           4.1.1    If the Company shall at any time after the
date hereof subdivide its outstanding shares of Common Stock (or other
securities at the time receivable upon the exercise of the Warrant) by
recapitalization, reclassification or split-up thereof, or if the Company shall
declare a stock dividend or distribute shares of Common Stock to its
stockholders, the number of shares of Common Stock subject to this Warrant
immediately prior to such subdivision shall be proportionately increased, and if
the Company shall at any time combine the outstanding shares of Common Stock by
recapitalization, reclassification or combination thereof, the number of shares
of Common Stock subject to this Warrant immediately prior to such combination
shall be proportionately decreased. Any such adjustment to the Strike Price
pursuant to this Section shall be effective at the close of business on the
effective date of such subdivision or combination or if any adjustment is the
result of a stock dividend or distribution then the effective date for such
adjustment based thereon shall be the record date therefor.

                                       -6-
<PAGE>

                           4.1.2    Whenever the number of shares of Common
Stock purchasable upon the exercise of this Warrant is adjusted, as provided in
this Section, the Strike Price shall be adjusted to the nearest cent by
multiplying such Strike Price immediately prior to such adjustment by a fraction
(x) the numerator of which shall be the number of shares of Common Stock
purchasable upon the exercise immediately prior to such adjustment, and (y) the
denominator of which shall be the number of shares of Common Stock so
purchasable immediately thereafter.

                  4.2      Adjustment for Reorganization, Consolidation, Merger,
Etc. In case of any reorganization of the Company (or any other corporation, the
securities of which are at the time receivable on the exercise of this Warrant)
after the date hereof, or in case after such date the Company (or any such other
corporation) shall consolidate with or merge into another corporation or convey
all or substantially all of its assets to another corporation, then, and in each
such case, the Holder of this Warrant upon the exercise as provided in Section 1
above at any time after the consummation of such reorganization, consolidation,
merger or conveyance, shall be entitled to receive, in lieu of the securities
and property receivable upon the exercise of this Warrant prior to such
consummation, the securities or property to which such Holder would have been
entitled upon such consummation if such Holder had exercised this Warrant
immediately prior thereto; in each such case, the terms of this Warrant shall be
applicable to the securities or property received upon the exercise of this
Warrant after such consummation.

                  4.3      Certificate as to Adjustments. In each case of an
adjustment in the number of shares of Common Stock receivable on the exercise of
this Warrant, the Company at its expense shall promptly compute such adjustment
in accordance with the terms of the Warrant and prepare a certificate executed
by an officer of the Company setting forth such adjustment and showing the facts
upon which such adjustment is based. The Company shall forthwith mail a copy of
each such certificate to each Holder.

                  4.4      Notices of Record Date, Etc. In case:

                           4.4.1    the Company shall take a record of the
holders of its Common Stock (or other securities at the time receivable upon the
exercise of the Warrant) for the purpose of entitling them to receive any
dividend (other than a cash dividend at the same rate as the rate of the last
cash dividend theretofore paid) or other distribution, or any right to subscribe
for, purchase or otherwise acquire any shares of stock of any class or any other
securities, or to receive any other right; or

                           4.4.2    of any voluntary or involuntary dissolution,
liquidation or winding-up of the Company, then, and in each such case, the
Company shall mail or cause to be mailed to each Holder a notice specifying, as
the case may be, (A) the date on which a record is to be taken for the purpose
of such dividend, distribution or right, and stating the amount and character of
such dividend, distribution or right, or (B) the date on which such
reorganization, reclassification, consolidation, merger, conveyance,
dissolution, liquidation or winding-up is to take place, and the time, if any,
to be fixed, as to which the holders of record of Common Stock (or such other
securities at the time receivable upon the exercise of this Warrant) shall be
entitled to exchange their shares of Common Stock (or such other securities) for
securities or other property deliverable upon such reorganization,
reclassification, consolidation, merger, conveyance, dissolution, liquidation or

                                       -7-
<PAGE>

winding-up. Such notice shall be mailed at least twenty (20) days prior to the
date therein specified, and this Warrant may be exercised prior to said date
during the term of the Warrant.

                  4.5      Threshold for Adjustments. Anything in this Section
to the contrary notwithstanding, the Company shall not be required to give
effect to any adjustment until the cumulative resulting adjustment in the Strike
Price pursuant to this Section shall have required a change of the Strike Price
by at least $0.10. No adjustment shall be made by reason of the issuance of
shares upon conversion rights, stock issuance rights or similar rights currently
outstanding or any change in the number of treasury shares held by the Company.

         5.       Legend and Stop Transfer Orders. Unless the Warrant Shares
have been registered under the Securities Act, upon exercise of any of this
Warrant and the issuance of any of the Warrant Shares, the Company shall
instruct its transfer agent, if any, to enter stop transfer orders with respect
to such shares, and all certificates representing shares of Warrant Shares shall
bear on the face thereof substantially the following legend:

                  This certificate has not been registered under the Securities
                  Act of 1933. The Company will not transfer this certificate
                  unless (i) there is an effective registration covering the
                  shares represented by this certificate under the Securities
                  Act of 1933 and all applicable state securities laws, (ii) it
                  first receives a letter from an attorney, acceptable to the
                  board of directors or its agents, stating that in the opinion
                  of the attorney the proposed transfer is exempt from
                  registration under the Securities Act of 1933 and under all
                  applicable state securities laws, (iii) the transfer is made
                  pursuant to Rule 144 under the Securities Act of 1933.

         6.       Officer's Certificate. Whenever the number or kind of
securities purchasable upon exercise of this Warrant or the Strike Price shall
be adjusted as required by the provisions hereof, the Company shall forthwith
file with its Secretary or Assistant Secretary at its principal office and with
its stock transfer agent, if any, an officer's certificate showing the adjusted
number of kind of securities purchasable upon exercise of this Warrant and the
adjusted Strike Price determined as herein provided and setting forth in
reasonable detail such facts as shall be necessary to show the reason for and
the manner of computing such adjustments. Each such officer's certificate shall
be made available at all reasonable times for inspection by the Holder and the
Company shall, forthwith after each such adjustment, mail by certified mail a
copy of such certificate to the Holder.

         7.       Transfer of Warrant. Subject to Section 3 hereof, this Warrant
and all rights hereunder are transferable in whole (or in part), at the agency
of office of the Company referred to in Section 1 hereof by the Holder hereof in
person or by duly authorized attorney, upon surrender of this Warrant properly
endorsed. Each taker and Holder of this Warrant, by taking or holding the same,
consents and agrees that this Warrant, when endorsed, in blank, shall be deemed
negotiable, and, when so endorsed the Holder hereof may be treated by the
Company and all other persons dealing with this Warrant as the absolute owner
hereof for all purposes and as the person entitled to exercise the rights

                                       -8-
<PAGE>

represented by this Warrant, or to the transfer hereof on the books of the
Company, any notice to the contrary notwithstanding; but until each transfer on
such books, the Company may treat the registered Holder hereof as the owner
hereof for all purposes.

         8.       Elimination of Fractional Interests. The Company shall not be
required to issue stock certificates representing fractions of shares of Common
Stock, nor shall it be required to issue script or pay cash in lieu of
fractional interests, it being the intent of the parties that all fractional
interests shall be eliminated.

         9.       Exchange of Warrant. Subject to the limitations set forth
herein this Warrant is exchangeable, upon the surrender hereof by the Holder
hereof at the office or agency of the Company designated in Section 1 hereof,
for a new Warrant of like tenor representing the right to subscribe for and
purchase the number of Warrant Shares which may be subscribed for and purchased
hereunder.

         10.      Notices to Warrant Holders. Nothing contained in this Warrant
shall be construed as conferring upon the Holder hereof the right to vote or to
consent to or receive notice as a shareholder in respect of any meetings of
shareholders for the election of Directors or any other matter, or as having any
rights whatsoever as a shareholder of the Company. If, however, at any time
prior to the expiration of the Warrant and prior to its exercise, any of the
following events shall occur:

                  10.1     The Company shall offer to all of the holders of its
Common Stock any additional shares of stock of the Company or securities
convertible into or exchangeable for shares of stock of the Company, or any
option, right or warrant to subscribe therefor; or

                  10.2     A dissolution, liquidation or winding up of the
Company (other than in connection with a consolidation or merger) or a sale of
all or substantially all of its property, assets and business as an entirety
(whether by merger, consolidation or sale of assets) shall be proposed; then, in
any one or more of said events, the Company shall give written notice of such
events at least fifteen (15) days prior to the date fixed as a record date or
the date of closing the transfer books for the determination of the shareholders
entitled to such convertible or exchangeable securities or subscription rights,
or entitled to vote on such proposed dissolution, liquidation, winding up or
sale. Such notice shall specify such record date or the date of closing the
transfer books, as the case may be. Failure to give such notice or any defect
therein shall not affect the validity of any action taken in connection with the
issuance of any convertible or exchangeable securities, or subscription rights,
options or warrants, or any proposed dissolution, liquidation, winding up or
sale.

         11.      Lost, Stolen, Mutilated or Destroyed Warrant. Upon surrender
by the Holder of this Warrant to the Company, the Company at its expense will
issue in exchange therefor, and deliver to such Holder, a new Warrant. Upon
receipt of evidence satisfactory to the Company of the loss, theft, destruction
or mutilation of this Warrant, and in the case of any such loss, theft or
destruction, upon delivery by such Holder of an indemnity agreement or security
satisfactory to the Company, and in case of any such mutilation, upon surrender
and cancellation of this Warrant, the Company, upon reimbursement of all
reasonable expenses incident thereto, will issue and deliver to such Holder a

                                       -9-
<PAGE>

new Warrant of like tenor, in lieu of such lost, stolen, destroyed or mutilated
Warrant. Any Warrant delivered to such Holder in accordance with this Section 11
shall bear the same securities legends as the Warrant which it replaced.

         12.      Governing Law. This Warrant shall be governed by, and
construed in accordance with, the laws of the State of New Jersey applicable to
contracts made therein.

         13.      Notices. Any communications between the parties or notices
provided for in this Agreement may be given by mailing them, first class,
postage prepaid, to Holder at:

         Name: _____________________
         Address: __________________
         ___________________________

and to the Company at:

         Gender Sciences, Inc.
         10 West Forest Avenue
         Englewood, New Jersey 07631
         Attn: Eugene Terry

With a copy to:

         Foley & Lardner
         402 West Broadway, 23rd Floor
         San Diego, California 92101
         Attn: Kenneth D. Polin

or to such other address as either party may indicate to the other in writing
after the date of this Agreement.

         14.      Successors. All the covenants, agreements, representations and
warranties contained in this Warrant shall bind the parties hereto and their
respective heirs, executors, administrators, distributees, successors and
assigns.

         15.      Headings. The Article and Section headings in this Warrant are
inserted for purposes of convenience only and shall have no substantive effect.

                  [Remainder of Page Intentionally Left Blank]

                                      -10-
<PAGE>

                  IN WITNESS WHEREOF, the Company has caused this Warrant to be
executed by a duly authorized officer under its corporate seal and to be dated
as of the date first above written.

"Company"                              Gender Sciences, Inc., a New Jersey
                                       corporation

                                       /s/ EUGENE TERRY
                                       -----------------------------------------
                                       Eugene Terry, Chairman

"Holder"                               Name

                                       -----------------------------------------

                           [Signature Page to Warrant]

                                      -11-
<PAGE>

                               FORM OF ASSIGNMENT
                               ------------------

[To be signed only upon transfer of the Warrant]

         FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers
unto , all of the rights represented by the within Warrant to purchase shares of
Common Stock of Gender Sciences, Inc. to which the within Warrant relates, and
appoints Kenneth D. Polin as the attorney to transfer such rights on the books
of Gender Sciences, Inc. with full power of substitution in the premises.

Dated

_________________________                   ___________________________________
                                                        (Signature)

                                            ___________________________________

                                            ___________________________________
                                                         (Address)

Notarization Required:
<PAGE>

                                FORM OF EXERCISE
                                ----------------

[To be signed only upon exercise of the Warrant]

         THE UNDERSIGNED, the Holder of the within Warrant, hereby irrevocably
elects to exercise the purchase right represented by such Warrant for, and to
purchase thereunder, __________ shares of Common Stock of Gender Sciences, Inc.
and herewith tenders payment of $______________ in full payment of the exercise
price for such shares, and requests that the certificates for such shares be
issued in the name of, and delivered to, _________________________ whose address
is ______________________________________

Dated

_________________________                   ___________________________________
                                                        (Signature)

                                            ___________________________________

                                            ___________________________________
                                                         (Address)

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