<PAGE>

EXHIBIT 2 - AMENDMENT TO CREDIT AGREEMENT

LIMITED WAIVER AND THIRD AMENDMENT TO CREDIT AGREEMENT

This LIMITED WAIVER AND THIRD AMENDMENT TO CREDIT AGREEMENT (this "Amendment")
is dated as of October 29, 1999 and is by and among GLOBAL HEALTH SUB, INC., as
Borrower, GLOBAL HEALTH SCIENCES, INC., as Parent Guarantor, the LENDERS party
hereto, CITICORP USA, INC., as Administrative Agent, CITIBANK, N.A., as Issuing
Bank, and BANK OF AMERICA, N.A. (formerly known as Bank of America NT&SA), as
Documentation Agent.

                                    RECITALS

1. The parties hereto have previously entered into that certain Credit Agreement
dated as of April 23, 1998, as amended by that certain First Amendment to Credit
Agreement dated as of December 4, 1998 (the "First Amendment") and that certain
Second Amendment to Credit Agreement dated as of April 30, 1999 (the "Second
Amendment") (as so amended, the "Credit Agreement").

2. The Borrower has requested that the Lenders waive (i) for the period from and
including June 30, 1999 to but not including October 29, 1999 (the "Waiver
Period"), any Event of Default arising under Section 6.11, 6.12, 6.13, 6.14 or
6.15 of the Credit Agreement that would otherwise exist due to the Borrower's
failure to comply with the provisions of such Sections, and (ii) certain other
defaults as more fully set forth in Article II hereof, and the Lenders are
willing to grant such waivers, all on the terms and conditions set forth herein.

2. The Borrower has also requested that the Lenders agree to amendments to
certain provisions of the Credit Agreement and the Lenders are willing to agree
to such amendments, all on the terms and conditions set forth herein.

                                    AGREEMENT

                                 I. DEFINITIONS

1.1. Defined Terms. Capitalized terms used but not otherwise defined herein
shall have the respective meanings assigned to such terms in the Credit
Agreement.

                         II. LIMITED WAIVER AND CONSENTS

2.1. Limited Waiver. Effective upon the Third Amendment Effective Date (as
defined below), the Required Lenders hereby waive (i) for the duration of the
Waiver Period (and only for such Waiver Period), any Event of Default or
Specified Event of Default arising under Section 6.11, 6.12, 6.13, 6.14 or 6.15
for the period ending June 30, 1999, and (ii) any Event of Default arising from
the Borrower's failure to comply with the provisions of the Loan Documents with
respect to the formation of Herbalogix, Inc. and (iii) any prepayment of the
loans or reduction of the Revolving Commitments required by Section 2.7(b) in
connection with the sale of Herbalogix, Inc. (it being expressly understood and
agreed that any prepayment, if any, at anytime required by Section 2.7(d) of the
Credit Agreement with the proceeds of, or otherwise in connection with, such
sale is not waived); provided, however, that, notwithstanding such waivers,
default interest, as provided pursuant to Section 2.11(c) of the Credit
Agreement, shall be due and payable for the period from and including July 1,
1999 to but not including the Third Amendment Effective Date.


                                      -1-
<PAGE>

                                 III. AMENDMENTS

3.1. Amendments to Credit Agreement. As of the Third Amendment Effective Date,
the Credit Agreement shall be amended as follows:

3.1.1.   Section 1.1.

(a) Section 1.1 of the Credit Agreement is hereby amended by adding thereto in
appropriate alphabetical order the following defined terms:

"American Ingredients Joint Venture" means a joint venture between the Borrower
or any of its Subsidiaries and Martin Bauer, Inc. or any of its Affiliates.

"American Ingredients LLC" means American Ingredients LLC, a California limited
liability company.

"American Ingredients Operating Agreement" means the Operating Agreement of
American Ingredients LLC as the same may be amended, supplemented or otherwise
modified from time to time.

"Third Amendment Effective Date" means the date of the effectiveness of the
Limited Waiver and Third Amendment to Credit Agreement dated as of October 29,
1999 by and among the Borrower, Parent Guarantor, the Lenders signatory thereto,
the Administrative Agent, the Issuing Bank and the Documentation Agent."

(b) Section 1.1 of the Credit Agreement is hereby further amended by amending
and restating the following defined term in its entirety:

"Maturity Date" means January 31, 2001.

(c) The definition of "Net Cash Proceeds" set forth in Section 1.1 of the Credit
Agreement is hereby amended by inserting immediately following the words "in
accordance with Section 6.7" appearing in the fourth and fifth lines of such
definition, the following:

"and except for capital contributions in respect of any EBITDA Shortfall Amount
(as defined in Section 6.13)"


                                      -2-
<PAGE>


(d) Section 1.1 of the Credit Agreement is hereby further amended by amending
and restating the following defined term in its entirety:

"`Applicable ABR Margin' and `Applicable Eurodollar Margin' mean, for any day
with respect to any ABR Loan or any Eurodollar Loan, respectively, the
applicable rate per annum set forth below under the caption "ABR Spread" or

"Eurodollar Spread," respectively, based upon the Total Leverage Ratio as of the
most recent determination date:

<TABLE>
<CAPTION>
=================================================    =====================    ===========================
             TOTAL LEVERAGE RATIO:                     ABR SPREAD (P.A.)        EURODOLLAR SPREAD (P.A.)

-------------------------------------------------    ---------------------    ---------------------------
<S>                                                  <C>                      <C>
                    LEVEL I
           Greater than 5.00 to 1.00                         2.00%                        3.25%
-------------------------------------------------    ---------------------    ---------------------------
                    LEVEL II
Greater than 4.50 to 1.00 but less than or equal
                       to
                  5.00 to 1.00                               1.50%                        2.75%
-------------------------------------------------    ---------------------    ---------------------------
                   LEVEL III
Greater than 3.50 to 1.00 but less than or equal
                       to
                  4.50 to 1.00                               1.25%                        2.50%
-------------------------------------------------    ---------------------    ---------------------------
                    LEVEL IV
Greater than 2.50 to 1.00 but less than or equal
                       to
                  3.50 to 1.00                               1.00%                        2.25%
-------------------------------------------------    ---------------------    ---------------------------
                    LEVEL V
             Less than or equal to
                  2.50 to 1.00                               0.75%                        2.00%
=================================================    =====================    ===========================
</TABLE>

For purposes of the foregoing, (a) the Total Leverage Ratio shall be determined
as of the last day of each fiscal quarter in the Borrower's fiscal year based
upon its consolidated financial statements delivered pursuant to Section 5.1(a)
or 5.1(b) (and the Compliance Certificate delivered in connection therewith) and
(b) each change in the Applicable ABR Margin or Applicable Eurodollar Margin
resulting from a change in the Total Leverage Ratio shall be effective during
the period commencing on and including the third Business Day after the date of
delivery to the Administrative Agent of such consolidated financial statements
indicating such change and ending on the date immediately preceding the
effective date of the next such change, provided that the Total Leverage Ratio
shall be deemed to be in Level I (i) at any time that an Event of Default has
occurred and is continuing or (ii) if the Borrower fails to deliver the
consolidated financial statements and the Compliance Certificate required to be
delivered by it pursuant to Section 5.1(a) or 5.1(b), during the period from the
expiration of the time for delivery thereof until such consolidated financial
statements and Compliance Certificate are delivered and, provided further that
the levels set forth in this definition shall not constitute a waiver of any
Default under any other provision of the Credit Agreement or any other Loan
Document (including, without limitation, Section 6.12). Any provision hereof to
the contrary notwithstanding, the Applicable ABR Margin shall be increased at
each level set forth above by (i) 200 basis points on October 1, 2000, and (ii)
by an additional 100 basis points on the first day of each calendar month
thereafter."


                                      -3-
<PAGE>

3.1.2. Section 2.6. Section 2.6(h) of the Credit Agreement is amended and
restated in its entirety to read as follows:

"(h) Any provision hereof to the contrary notwithstanding, from and after the
Third Amendment Effective Date,

(i) no Borrowing may be made, converted to or continued as a Eurodollar
Borrowing and (ii) unless repaid, each Eurodollar Borrowing shall be converted
to an ABR Borrowing at the end of the Interest Period applicable thereto."

3.1.3. Section 2.7. Section 2.7 of the Credit Agreement is hereby amended by
adding thereto new Section 2.7(i) to read as follows:

"(i) The Revolving Commitments shall be permanently and automatically reduced by
$34,000,000 on the Third Amendment Effective Date."

3.1.4. Section 2.10. Section 2.10 of the Credit Agreement is hereby amended by
adding thereto a new clause (e) to read as follows:

(e) On September 30, 2000, the Borrower shall pay to the Administrative Agent,
in immediately available funds for the account of each Lender, a deferred
restructuring fee, in consideration of the waivers and amendments granted
pursuant to the Third Amendment dated as of October 29, 1999, equal to 1.0
percent of (i) such Lender's Revolving Commitment in effect on such date or,
(ii) if the Revolving Commitments have been terminated, the aggregate principal
amount of the Loans owing to such Lender on such date plus such Lender's LC
Exposure at such time.

3.1.5. Article V. Article V of the Credit Agreement is hereby amended by adding
thereto a new Section 5.17 to read as follows:

"Section 5.17 American Ingredients LLC. In the event the Borrower or any of its
Subsidiaries shall enter into the American Ingredients Joint Venture, the
Borrower shall (i) cause the terms of the American Ingredients Operating
Agreement to be satisfactory to the Administrative Agent and the Required
Lenders and (ii) cause American Ingredients LLC promptly to distribute all
available cash in accordance with the provisions of the American Ingredients
Operating Agreement and to limit amounts maintained as reserves to the minimum
amount determined to be reasonable by the managing board or similar body of the
American Ingredients Joint Venture. The Borrower shall at all times maintain
membership interests in American Ingredients LLC sufficient to maintain at least
a 50% ownership percentage of American Ingredients LLC."

3.1.6. Section 6.4. Section 6.4(b) of the Credit Agreement is amended and
restated in its entirety to read as follows: "(b) prior to the Third Amendment
Effective Date, Permitted Acquisitions;".

3.1.7. Sections 6.11 through 6.15. Sections 6.11 through and including Section
6.15 of the Credit Agreement are hereby amended and restated in their entirety
to read as follows:

"Section 6.11 Capital Expenditures. The Borrower and Holdings will not make any
Capital Expenditures except (a) Permitted Acquisitions and (b) other Capital
Expenditures made by the Borrower or a Borrower Subsidiary in an amount which,
in the aggregate for all such other Capital Expenditures made by the Borrower
and the Borrower Subsidiaries, does not (i) for the period of four fiscal
quarters ending as of the end of the third fiscal quarter of 1999, exceed
$13,500,000, (ii) for the period of four fiscal quarters ending as of the end of
the fourth fiscal quarter of 1999, exceed $16,000,000, (iii) for the period of
four fiscal quarters ending as of the end of the first fiscal quarter of 2000,
exceed $11,000,000, or (iv) in any period of four fiscal quarters ending on the
last day of any fiscal quarter, commencing with the fiscal quarter ending March
30, 2000, exceed $7,000,000.


                                      -4-
<PAGE>

Section 6.12 Pro Forma Leverage Ratio. Each of the Borrower and Holdings will
not permit the Pro Forma Leverage Ratio to exceed, as of the last day of any
fiscal quarter ending during any period set forth below, the ratio set forth
opposite such period:


                          Period                         Total Leverage Ratio
                          ------                         --------------------

                 Third fiscal quarter 1999                    5.50 to 1.0
                 Fourth fiscal quarter 1999                   5.30 to 1.0
                 First fiscal quarter 2000                    5.00 to 1.0
                 Second fiscal quarter 2000                   4.70 to 1.0
                 Third fiscal quarter 2000                    4.40 to 1.0
                 Fourth fiscal quarter 2000                   4.30 to 1.0

Section 6.13 CONSOLIDATED EBITDA. The Borrower and Holdings will not permit
Consolidated EBITDA for any period of four fiscal quarters ending as of the last
day of any fiscal quarter ending during any period set forth below to be less
than the amount set forth opposite such period:


                          Period                   Minimum Consolidated Ebitda
                          ------                   ---------------------------

                 Third fiscal quarter 1999                  42,000,000
                 Fourth fiscal quarter 1999                 45,000,000
                 First fiscal quarter 2000                  48,000,000
                 Second fiscal quarter 2000                 51,000,000
                 Third fiscal quarter 2000                  51,000,000
                 Fourth fiscal quarter 2000                 53,000,000

provided, however, that in the event the amount set forth above for any period
exceeds the actual amount of Consolidated EBITDA for such period (the amount of
any such excess being referred to herein as the "EBITDA Shortfall Amount"), the
Borrower will be in compliance with this Section 6.13 if within five (5)
Business Days after determination by the Borrower of such EBITDA Shortfall
Amount (and in any event not later than the date on which financial statements
with respect to such period are required to be delivered pursuant to Section
5.1(a) or (b), as applicable), the Borrower provides evidence satisfactory to
the Administrative Agent and the Required Lenders that the Borrower has received
a cash capital contribution in respect of the Borrower's common stock in an
amount at least equal to such EBITDA Shortfall Amount, whereupon, for the
purposes hereof, the amount of any such capital contribution shall be included
in the calculation of Consolidated EBITDA for the applicable period.


                                      -5-
<PAGE>

Section 6.14 Cash Interest Coverage Ratio. The Borrower and Holdings will not
permit the Cash Interest Coverage Ratio, determined as of the last day of any
fiscal quarter ending during any period set forth below, to be less than the
ratio set forth opposite such period below:

                 PERIOD                                   MINIMUM RATIO

     Third fiscal quarter 1999                            1.50 to 1.0
     Fourth fiscal quarter 1999                           1.60 to 1.0
     First fiscal quarter 2000 to and including third
     fiscal quarter 2000                                  1.70 to 1.0
     Fourth fiscal quarter 2000                           1.80 to 1.0


Section 6.15 Fixed Charge Coverage Ratio. The Borrower and Holdings will not
permit the Fixed Charge Coverage Ratio, determined as of the last day of any
fiscal quarter ending during any period set forth below, to be less than the
ratio set forth opposite such period:

                 PERIOD                                   MINIMUM RATIO

     Third fiscal quarter 1999                             .90 to 1.0
     Fourth fiscal quarter 1999                            .90 to 1.0

     First fiscal quarter 2000                             .90 to 1.0
     Second fiscal quarter 2000                            1.0 to 1.0
     Third fiscal quarter 2000                            1.10 to 1.0
     Fourth fiscal quarter 2000                           1.10 to 1.0

3.1.8. ..Article VI. Article VI is further amended by adding thereto a new
Section 6.17 to read as follows: "Section 6.17 American Ingredients LLC. In the
event the Borrower or any of its Subsidiaries shall enter into the American
Ingredients Joint Venture, each of the Borrower and Holdings will not, and will
not permit any Subsidiary or American Ingredients LLC to, amend, modify or waive
any of its rights, in each case in any way that could be adverse to Holdings,
the Borrower, their respective Subsidiaries, or the Administrative Agent, the
Issuing Bank or any Lender, under the American Ingredients Operating Agreement,
except changes in such agreement that do not relate to or affect any of the
Transactions and are implemented after 30 days prior written notice to the
Administrative Agent and the Lenders, unless within such 30-day period the
Borrower is advised by Required Lenders that, in the opinion of Required
Lenders, such change would be adverse to the interests of the Lenders."


                                      -6-
<PAGE>


                       IV. REPRESENTATIONS AND WARRANTIES

4.1. Representations and Warranties. Each of the Borrower and the Parent
Guarantor hereby represents and warrants to the Administrative Agent, the
Lenders and the Issuing Bank as follows:

4.1.1. Such party is duly organized, validly existing and in good standing under
the laws of the jurisdiction of its incorporation, with full power and authority
to carry on its business as now conducted and to enter into and perform its
obligations under this Amendment (and the Credit Agreement as modified hereby)
and, except where the failure to do so, individually or in the aggregate, could
not reasonably be expected to result in a Material Adverse Effect, is qualified
to do business in, and is in good standing in, every jurisdiction where such
qualification is required.

4.1.2. Such party has taken all necessary action to authorize the execution,
delivery and performance of this Amendment (and the Credit Agreement as modified
hereby).

4.1.3. This Amendment has been duly executed and delivered by such party and
each of this Amendment and the Credit Agreement as modified hereby constitutes
the legal, valid and binding obligation of such party, enforceable against such
party in accordance with its terms, except as enforceability may be limited by
bankruptcy, insolvency, reorganization, moratorium or other similar laws
affecting creditors' rights generally and by general principles of equity
(regardless of whether enforcement is sought in a proceeding at law or in
equity).

4.1.4. .The execution, delivery and performance by each member of the Holdings
Group of this Amendment (or the consent hereto, as applicable) (a) do not
require any consent or approval of, registration or filing with, or any other
action by, any Governmental Authority, (b) will not violate any applicable law
or regulation or the charter, by-laws or other organizational documents of any
member of the Holdings Group or any order of any Governmental Authority, (c)
will not violate or result in a default under any indenture, agreement or other
instrument binding upon any member of the Holdings Group or its assets, or give
rise to a right thereunder to require any payment to be made by any member of
the Holdings Group, and (d) will not result in the creation or imposition of any
Lien on any asset of any member of the Holdings Group, except Liens created
under the Loan Documents.

4.1.5. After giving effect to this Amendment, no event has occurred and is
continuing, or would result from the execution and delivery of this Amendment
that would constitute a Default.

4.1.6 All of the capital stock of Herbalogix, Inc. has been sold to Richard
Marconi in compliance with all applicable provisions of the Credit Agreement and
the Senior Note Indenture and the Borrower has received from Richard Marconi in
respect thereof cash reimbursement in an amount at least equal to the aggregate
amount invested by Holdings, the Borrower and the Borrower Subsidiaries in
Herbalogix, Inc.

4.1.7. Each of the representations and warranties contained in this Amendment
and the Credit Agreement as modified hereby is true, correct and complete as if
set forth in full herein and made on the date this Amendment becomes effective,
except to the extent that any such representation and warranty specifically
relates to an earlier date, in which case it was true, correct and complete as
of such earlier date.


                                      -7-
<PAGE>

                         V. CONDITIONS TO EFFECTIVENESS

The waivers, consents and amendments effected hereby shall not become effective
until the date (the "Third Amendment Effective Date") on which the following
conditions precedent are satisfied or waived in writing by the Required Lenders:

5.1.1. Execution. (i) Parent Guarantor, the Borrower, the Administrative Agent,
the Issuing Bank and the Required Lenders shall have executed and delivered this
Amendment to the Administrative Agent, and (ii) each other Guarantor shall have
executed and delivered the Consent attached hereto to the Administrative Agent.

5.1.2. Herbalogix, Inc. The Borrower shall have certified to the Administrative
Agent that Holdings is in compliance with the provisions of, and no Default (as
defined in the Senior Note Indenture) exists under, the Senior Note Indenture
(including, without limitation, Section 4.18 thereof) with respect to the
formation, existence and sale of Herbalogix, Inc.

5.1.3. Certain Financial Statements. The Administrative Agent and the lenders
shall have received, at least one Business Day prior to the Third Amendment
Effective Date, the financial statements and reports required by Section 5.1(b)
of the Credit Agreement (and the Compliance Certificate relating thereto) for
the period ended September 30, 1999 demonstrating compliance for such period
(and the period of four fiscal quarter ended as of such date, as applicable)
with Sections 6.11, 6.12, 6.13, 6.14 and 6.15 after giving effect to the
amendments to such Sections set forth herein.

5.1.4. Payment of Default Interest, Fees and Expenses. The Borrower shall have
paid in full all default interest as set forth in Section 2.1 hereof and all
fees and expenses for which it has been billed of (i) Crossroads, LLC, (ii) the
Administrative Agent and each Lender, (iii) counsel to the Administrative Agent
(including the allocated costs of internal counsel), and (iv) counsel to each
Lender (including the allocated costs of internal counsel).

5.1.5. Amendment Fee. The Borrower shall have paid to the Administrative Agent
for the account of each Lender executing this Amendment on or prior to October
29, 1999, a non-refundable amendment fee in the amount of 0.125% of each such
Lender's Revolving Commitment as in effect immediately after giving effect to
the reduction in the Revolving Commitments pursuant to Section 2.7(i) of the
Credit Agreement (as amended hereby).

                                VI. MISCELLANEOUS

6.1. No Waiver. Except as expressly set forth herein, nothing contained herein
or in any other instrument or document executed in connection herewith, nor any
action taken by the Administrative Agent, the Issuing Bank or any Lender, or any
party hereto or any party consenting hereto in connection with this Amendment or
any other action contemplated hereby or thereby shall in any event be construed
or deemed to constitute a waiver of any past, present or future Default or Event
of Default, or a waiver or an estoppel of any cause of action the Administrative
Agent, the Issuing Bank or any Lender, or any party hereto or any party
consenting hereto may have against any other party for any reason whatsoever.

6.2. Full Force and Effect. Except as specifically modified by this Amendment,
all of the terms and provisions of the Credit Agreement, each other Loan
Document and each of the documents referred to therein or delivered in
connection therewith shall remain in full force and effect. The waivers set
forth herein shall be limited precisely as written and shall not be deemed (a)
except as expressly set forth herein, to be a consent to any modification or
waiver of other terms or conditions of the Credit Agreement, any other Loan
Document or any of the documents referred to therein or delivered in connection
therewith or (b) to prejudice any right, remedy, power or privilege which any
party hereto or any party consenting hereto now has or may have in the future
under or in connection with the Credit Agreement, any other Loan Document or any
of the documents referred to therein or delivered in connection therewith. The
term


                                      -8-
<PAGE>

"Agreement" as used in the Credit Agreement, the other Loan Documents and all
other related documents shall mean the Credit Agreement as modified hereby.
Without limiting the generality of the foregoing, the Security Documents and all
of the Collateral described therein do and shall, to the extent set forth
therein, continue to secure the payment of all obligations and liabilities of
the Borrower under the Credit Agreement and/or any of the other Loan Documents,
in each case as amended hereby.

6.3      General Release of Claims.

         (a) The Borrower represents and agrees that it has diligently and
thoroughly investigated the existence of any Claim (as defined below), and to
its knowledge and belief, no Claim exists and no facts exist that could give
rise to or support a Claim.

         (b) As additional consideration for entering into this Amendment and as
consideration for the waivers and amendments set forth herein, Holdings, the
Borrower and each Guarantor and each of their respective agents, employees,
directors, officers, attorneys, affiliates, subsidiaries, successors and assigns
(individually a "Releasing Party," and collectively the "Releasing Parties")
hereby releases and forever discharges each of the Administrative Agent, the
Documentation Agent, the Arranger, the Issuing Bank and each Lender and all of
their respective agents, direct and indirect shareholders, employees, directors,
officers, attorneys, branches, affiliates, subsidiaries, successors and assigns
(individually, a "Released Party," and collectively, the "Released Parties") of
and from all damage, loss, claims, demands, liabilities, obligations (except for
any such obligations hereafter arising pursuant to the terms of the Loan
Documents, as amended to date), actions and causes of action whatsoever
(collectively "Claims") that the Releasing Parties or any of them may, as of the
date hereof, have or claim to have against each or any of the Released Parties,
in each case whether presently known or unknown or with respect to which the
facts are known (or should have been known) that could give rise to or support a
Claim and of every nature and extent whatsoever on account of or in any way
relating to, arising out of or based upon any Loan Document or this Amendment
(including the foregoing Section 6.3(a)) or the negotiation or documentation
hereof or the amendments under the Loan Documents effected by this Amendment or
the transactions contemplated by the Loan Documents or hereby, or any action or
omission in connection with any of the foregoing, including, without limitation,
all such loss or damage of any kind heretofore sustained, or that may arise as a
consequence of the dealings between the parties up to the date hereof in
connection with or in any way related to any Loan Document or this Amendment.
Each Releasing Party further covenants and agrees that it has not assigned
heretofore, and will not hereafter sue any Released Party upon, any Claim
released or purported to be released under this Section, and the Borrower will
indemnify and hold harmless said Released Parties against any loss or liability
on account of any actions brought by any Releasing Party or its assigns or
prosecuted on behalf of any Releasing Party and relating to any Claim released
or purported to be released under this Section. It is further understood and
agreed that any and all rights under the provisions of Section 1542 of the
California Civil Code are expressly waived by each of the Releasing Parties.
Section 1542 provides as follows:

         "A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR DOES
NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE RELEASE,
WHICH IF KNOWN BY HIM MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE
DEBTOR."

6.4. Expenses. Without limiting any provision of the Amendment or Section 9.3 of
the Credit Agreement, each of the Borrower and Holdings jointly and severally
agrees to pay promptly all reasonable costs and expenses of the Administrative
Agent and the reasonable costs and expenses of the Administrative Agent's legal
counsel and each Lender's legal counsel in connection with the preparation,
negotiation, execution, delivery and administration of this Amendment and the
TRANSACTIONS CONTEMPLATED HEREBY.


                                      -9-
<PAGE>

6.5. Governing Law. This Amendment shall be governed by and construed in
accordance with the laws of the State of New York, without regard to conflicts
of law principles. The provisions of Sections 9.9(b)-(d) and 9.10 of the Credit
Agreement shall apply hereto.

6.6. Severability. The illegality or unenforceability of any provision of this
Amendment, the Credit Agreement (as modified hereby) or any other document or
any other instrument or agreement required hereunder or thereunder shall not in
any way affect or impair the legality or enforceability of the remaining
provisions of this Amendment, the Credit Agreement (as modified hereby) or such
other document or any other instrument or agreement required hereunder or
thereunder.

6.7. Headings. Article and Section headings used herein are for convenience of
reference only, are not part of this Amendment and shall not affect the
construction of, or be taken into consideration in interpreting, this Amendment
(or the Credit Agreement as modified hereby).

6.8. Counterparts. This Amendment may be executed by one or more of the parties
hereto in any number of separate counterparts, each of which, when so executed
shall be deemed an original, and all of said counterparts taken together shall
be deemed to constitute but one and the same instrument.








                                      -10-
<PAGE>

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly
executed and delivered by their respective officers thereunto duly authorized as
of the date first above written.

                            GLOBAL HEALTH SUB, INC.,
                            as Borrower


                            By:
                               ----------------------------------------
                            Name:
                            Title:

                            GLOBAL HEALTH SCIENCES, INC.,
                            as Parent Guarantor


                            By:
                               ----------------------------------------
                            Name:
                            Title:

                            CITICORP USA, INC.,
                            as Administrative Agent


                            By:
                               ----------------------------------------
                            Name:
                            Title:

                            CITIBANK, N.A.,
                            as Issuing Bank


                            By:
                               ----------------------------------------
                            Name:
                            Title:


                            BANK OF AMERICA, N.A.,
                            as Documentation Agent

                            By:
                               ----------------------------------------
                            Name:
                            Title:

                            CITICORP USA, INC.,
                            as Lender

                            By:
                               ----------------------------------------
                            Name:
                            Title:


                                      -11-
<PAGE>

                            BANK OF AMERICA, N.A.,
                            as Lender


                            By:
                               ----------------------------------------
                            Name:
                            Title:


                            SANWA BANK CALIFORNIA,
                            as Lender


                            By:
                               ----------------------------------------
                            Name:
                            Title:


                            WELLS FARGO BANK, N.A.,
                            as Lender


                            By:
                               ----------------------------------------
                            Name:
                            Title:


                            DRESDNER BANK AG,

                            New York and Grand Cayman Branches,
                            as Lender

                            By:
                               ----------------------------------------
                            Name:
                            Title:



                            By:
                               ----------------------------------------
                            Name:
                            Title:


<PAGE>

                                     CONSENT
                          Dated as of October 29, 1999


         The undersigned, as Subsidiary Guarantors under the "Guarantee
Agreement" and as Subsidiary Grantors under the "Pledge and Security Agreement"
(as such terms are defined in and under the Credit Agreement referred to in the
foregoing Limited Waiver and Third Amendment to Credit Agreement (the
"Amendment")), each hereby consents and agrees to the foregoing Amendment and
hereby confirms and agrees that (i) the Guarantee Agreement and the Pledge and
Security Agreement are, and shall continue to be, in full force and effect and
are hereby ratified and confirmed in all respects except that, upon the
effectiveness of, and on and after the date of, said Amendment, each reference
in the Guarantee Agreement and the Pledge and Security Agreement to the "Credit
Agreement", "thereunder", "thereof" and words of like import referring to the
Credit Agreement, shall mean and be a reference to the Credit Agreement as
modified by said Amendment, and (ii) the Pledge and Security Agreement and all
of the Collateral described therein do, and shall continue to, secure the
payment of all of the Secured Obligations as defined in the Pledge and Security
Agreement.

                            D&F INDUSTRIES, INC.
                            RAVEN INDUSTRIES, INC.
                            DYNAMIC PRODUCTS, INC.
                            WEST COAST SALES
                            AMERICAN INGREDIENTS, INC.


                            By:
                               ----------------------------------------
                               Name:
                               Title:




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