Document:

<PAGE>

                                                                   EXHIBIT 10.40

              FIRST AMENDMENT TO EXTENSION AND SECURITY AGREEMENT
              ---------------------------------------------------

     This FIRST AMENDMENT TO EXTENSION AND SECURITY AGREEMENT (this "Agreement")
is entered into as of February 1, 2000 by and between SHOWSCAN ENTERTAINMENT
INC., a corporation existing under the laws of the State of Delaware (the
"Company") and BANCA DEL GOTTARDO, a corporation duly organized with limited
liability and existing under the laws of Switzerland, both in its individual
capacity and in its capacity as representative for the Noteholders (as defined
below) ("Banca  del Gottardo").

                                    RECITALS
                                    --------

     A.   The Company and Banca del Gottardo are parties to that certain Note
Purchase, Paying and Conversion Agency Agreement, entered into effective as of
August 14, 1995, between the Company and Banca del Gottardo, as amended by that
certain Extension and Security Agreement, dated as of September 1, 1999, by and
between the Company and Banca del Gottardo (the "Extension Agreement"), (as
amended to date and as further amended by this Agreement, the "Note Purchase
Agreement").  Capitalized terms used herein without definition shall have the
meanings provided in the Note Purchase Agreement.

     B.   The current outstanding principal amount of the Notes is Five Million,
Six Hundred Ninety Thousand Dollars ($5,690,000).

     C.   The Noteholders have agreed, pursuant to the terms of this Agreement,
to extend the maturity date of the Notes to June 30, 2000.

                                   AGREEMENT
                                   ---------

     NOW THEREFORE, in consideration of the premises and the mutual agreements
and covenants hereinafter contained, the parties hereto agree as follows:

     1.   The Company and Banca del Gottardo hereby agree that the date for
repayment of the principal amount of the Notes shall be extended from March 1,
2000 to June 30, 2000, with interest to continue to accrue on the Notes at the
rate provided in the Notes until June 30, 2000.

     2.   Each other reference in the Extension Agreement to "March 1, 2000"
shall be amended and replaced with the date "June 30, 2000."

     3.   This Agreement may be executed in any number of counterparts, each of
which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

     4.   The terms of this Agreement shall be governed by Swiss law.

     5.   Except as specifically modified hereby, the provisions of the Note
Purchase Agreement, the Pledge Agreement and the Extension Agreement shall
remain in full force and effect.

<PAGE>

          IN WITNESS WHEREOF, the parties have executed this First Amendment to
Extension and Security Agreement as of the day and year first written above.

                                    SHOWSCAN ENTERTAINMENT INC.

                                    By: /s/ [ILLEGIBLE]^^
                                        -------------------------
                                        Name:  [ILLEGIBLE]^^
                                        Title: President & CEO

                                    BANCA DEL GOTTARDO, in its individual
                                    capacity and as representative of the
                                    Noteholders

                                    By: /s/ Fabio Testori
                                        -------------------------
                                        Name:  Fabio Testori
                                        Title: Member of the Executive Board

                                    By: /s/ Hans Gugolz
                                        -------------------------
                                        Name:  Hans Gugolz
                                        Title: Member of Management<PAGE>

                                                                     Exhibit 4.1

                       Advisory and Consulting Agreement

<TABLE>
<CAPTION>
                            Number of Shares and Options
                            ----------------------------
<S>                         <C>
     4.1(a)                          1,000,000

     4.1(b)                          1,000,000

     4.1(c)                            300,000

     4.1(d)                          1,000,000

     4.1(e)                            300,000

     Other Consultants               1,350,000
</TABLE>
<PAGE>

Exhibit 4.1(a)

                              CONSULTING AGREEMENT

     This Consulting Agreement (the "Consulting Agreement") made as of February
1, 2000 by and between Howard Schraub, 8538 Ruette Monte Carlo, La Jolla, CA
92037 ("Consultant") and Kaire Holdings Incorporated with offices at 7348
Bellaire Ave, North Hollywood, CA 91605 (the "Company").

                                 WITNESSETH

     WHEREAS, the Company requires and will continue to require consulting
services relating management, strategic planning and marketing in connection
with its business; and

     WHEREAS, Consultant can provide the Company with strategic planning and
marketing consulting services and is desirous of performing such services for
the Company; and

     WHEREAS, the Company wishes to induce Consultant to provide these
consulting services to the Company,

     NOW, THEREFORE,  in consideration of the mutual covenants hereinafter
stated, it is agreed as follows:

     1.   APPOINTMENT.
          -----------

     The Company hereby engages Consultant and Consultant agrees to render
services to the Company as a consultant upon the terms and conditions
hereinafter set forth.

     2.   TERM.
          ----

     The term of this Consulting Agreement began as of the date of this
Agreement, and shall terminate on December 31, 2000, unless earlier terminated
in accordance with paragraph 8 herein or extended as agreed to between the
parties.

     3.   SERVICES.
          --------

     During the term of this Agreement, Consultant shall provide advice to
undertake for and consult with the Company concerning management, marketing,
consulting, strategic planning, corporate organization and structure, financial
matters in connection with the operation of the businesses of the Company,
expansion of services, acquisitions and business opportunities, and shall review
and advise the Company regarding its overall progress, needs and condition.
Consultant agrees to provide on a timely basis the following enumerated services
plus any additional services contemplated thereby:

          (a) The implementation of short-range and long-term strategic planning
          to fully develop and enhance the Company's assets, resources, products
          and services;

          (b) The implementation of a marketing program to enable the Company to
          broaden the markets for its services and promote the image of the
          Company and its products and services;

          (c) Advise the Company relative to the recruitment and employment of
          key executives consistent with the expansion of operations of the
          Company;

          (d) The identification, evaluation, structuring, negotiating and
          closing of joint ventures, strategic alliances, business acquisitions
          and advice with regard to the ongoing managing and operating of such
          acquisitions upon consummation thereof; and
<PAGE>

          (e) Advice and recommendations regarding corporate financing including
          the structure, terms and content of bank loans, institutional loans,
          private debt funding, mezzanine financing, blind pool financing and
          other preferred and common stock equity private or public financing.

     4.   DUTIES OF THE COMPANY.
          ---------------------

     The Company shall provide Consultant, on a regular and timely basis, with
all approved data and information about it, its subsidiaries, its management,
its products and services and its operations as shall be reasonably requested by
Consultant, and shall advise Consultant of any facts which would affect the
accuracy of any data and information previously supplied pursuant to this
paragraph.  The Company shall promptly supply Consultant with full and complete
copies of all financial reports, all fillings with all federal and state
securities agencies; with full and complete copies of all stockholder reports;
with all data and information supplied by any financial analyst, and with all
brochures or other sales materials relating to its products or services.

          COMPENSATION.
          ------------

     The Company will immediately grant Consultant the option to purchase
1,000,000 shares of the Company's Common Stock with an exercise price at $.15
per share, which option shall expire on December 31, 2000 at 5:00 P.M. P.S.T.
The number of shares herein are subject to the anti-dilution provisions of the
corresponding warrant which is being issued in conjunction with this Agreement.
Consultant in providing the foregoing services, shall not be responsible for any
out-of-pocket costs, including, without limitation, travel, lodging, telephone,
postage and Federal Express charges.

     6.   REPRESENTATION AND INDEMNIFICATION.
          ----------------------------------

     The Company shall be deemed to have been made a continuing representation
of the accuracy of any and all facts, material information and data which it
supplies to Consultant and acknowledges its awareness that Consultant will rely
on such continuing representation in disseminating such information and
otherwise performing its advisory functions.  Consultant in the absence of
notice in writing from the Company, will rely on the continuing accuracy of
material, information and data supplied by the Company.  Consultant represents
that he has knowledge of and is experienced in providing the aforementioned
services.

     7.   MISCELLANEOUS.
          -------------

     Termination:  This Agreement may be terminated by either Party upon written
     -----------
notice to the other Party for any reason which shall be effective five (5)
business days from the date of such notice.  This Agreement shall be terminated
immediately upon written notice for material breach of this Agreement.

     Modification:  This Consulting Agreement sets forth the entire
     ------------
understanding of the Parties with respect to the subject matter hereof.  This
Consulting Agreement may be amended only in  writing signed by both Parties.

     Notices:  Any notice required or permitted to be given hereunder shall be
     -------
in writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number as the Party shall have furnished in
writing to the other Party.

     Waiver:  Any waiver by either Party of a breach of any provision of this
     ------
Consulting Agreement shall not operate as or be construed to be a waiver of any
other breach of that provision or of any breach of any other provision of this
Consulting Agreement.  The failure of a Party to insist upon strict adherence to
any term of this Consulting Agreement on one or more occasions will not be
considered a waiver or deprive that Party of the right thereafter to insist upon
adherence to that term of any other term of this Consulting Agreement.

     Assignment:  The Options under this Agreement are assignable at the
     ----------
discretion of the Consultant.
<PAGE>

     Severability:  If any provision of this Consulting Agreement is invalid,
     ------------
illegal, or unenforceable, the balance of this Consulting Agreement shall remain
in effect, and if any provision is inapplicable to any person or circumstance,
it shall nevertheless remain applicable to all other persons and circumstances.

     Disagreements:  Any dispute or other disagreement arising from or out of
     -------------
this Consulting Agreement shall be submitted to arbitration under the rules of
the American Arbitration Association and the decision of the arbiter(s) shall be
enforceable in any court having jurisdiction thereof.  Arbitration shall occur
only in San Diego, CA.  The interpretation and the enforcement of this Agreement
shall be governed by California Law as applied to residents of the State of
California relating to contracts executed in and to be performed solely within
the State of California.  In the event any dispute is arbitrated, the prevailing
Party (as determined by the arbiter(s)) shall be entitled to recover that
Party's reasonable attorney's fees incurred (as determined by the arbiter(s)).

     IN WITNESS WHEREOF, this Consulting Agreement has been executed by the
Parties as of the date first above written.

Kaire Holdings Incorporated                 CONSULTANT

/s/ Steven Westlund                         /s/ Howard Schraub
-------------------------------------       ---------------------------------
Steven Westlund                             Howard Schraub
Chief Executive Officer
<PAGE>

Exhibit 4.1(b)

                              CONSULTING AGREEMENT

     This Consulting Agreement (the "Consulting Agreement") made as of February
1, 2000, by and between George Furla, 2317 Mount Olympus Dr., Los Angeles CA
90046 ("Consultant") and Kaire Holdings Incorporated with offices at 7348
Bellaire Ave, North Hollywood, CA 91605, (the "Company").

                                 WITNESSETH

     WHEREAS, the Company requires and will continue to require consulting
services relating management, strategic planning and marketing in connection
with its business; and

     WHEREAS, Consultant can provide the Company with strategic planning and
marketing consulting services and is desirous of performing such services for
the Company; and

     WHEREAS, the Company wishes to induce Consultant to provide these
consulting services to the Company,

     NOW, THEREFORE, in consideration of the mutual covenants hereinafter
stated, it is agreed as follows:

     1.   APPOINTMENT.
          -----------

     The Company hereby engages Consultant and Consultant agrees to render
services to the Company as a consultant upon the terms and conditions
hereinafter set forth.

     2.   TERM.
          ----

     The term of this Consulting Agreement began as of the date of this
Agreement, and shall terminate on December 31, 2000, unless earlier terminated
in accordance with paragraph 8 herein or extended as agreed to between the
parties.

     3.   SERVICES.
          --------

     During the term of this Agreement, Consultant shall provide advice to
undertake for and consult with the Company concerning management, marketing,
consulting, strategic planning, corporate organization and structure, financial
matters in connection with the operation of the businesses of the Company,
expansion of services, acquisitions and business opportunities, and shall review
and advise the Company regarding its overall progress, needs and condition.
Consultant agrees to provide on a timely basis the following enumerated services
plus any additional services contemplated thereby:

          (a) The implementation of short-range and long-term strategic planning
          to fully develop and enhance the Company's assets, resources, products
          and services;

          (b) The implementation of a marketing program to enable the Company to
          broaden the markets for its services and promote the image of the
          Company and its products and services;

          (c) Advise the Company relative to the recruitment and employment of
          key executives consistent with the expansion of operations of the
          Company;

          (d) The identification, evaluation, structuring, negotiating and
          closing of joint ventures, strategic alliances, business acquisitions
          and advice with regard to the ongoing managing and operating of such
          acquisitions upon consummation thereof; and
<PAGE>

          (e) Advice and recommendations regarding corporate financing including
          the structure, terms and content of bank loans, institutional loans,
          private debt funding, mezzanine financing, blind pool financing and
          other preferred and common stock equity private or public financing.

     4.   DUTIES OF THE COMPANY.
          ---------------------

     The Company shall provide Consultant, on a regular and timely basis, with
all approved data and information about it, its subsidiaries, its management,
its products and services and its operations as shall be reasonably requested by
Consultant, and shall advise Consultant of any facts which would affect the
accuracy of any data and information previously supplied pursuant to this
paragraph.  The Company shall promptly supply Consultant with full and complete
copies of all financial reports, all fillings with all federal and state
securities agencies; with full and complete copies of all stockholder reports;
with all data and information supplied by any financial analyst, and with all
brochures or other sales materials relating to its products or services.

     5.   COMPENSATION.
          ------------

     The Company will immediately grant Consultant the option to purchase
1,000,000 shares of the Company's Common Stock with an exercise price of $.15
per share, which option shall expire on December 31, 2000 at 5:00 P.M. P.S.T.
The number of shares herein are subject to the anti-dilution provisions of the
corresponding warrant which is being issued in conjunction with this Agreement.
Consultant in providing the foregoing services, shall not be responsible for any
out-of-pocket costs, including, without limitation, travel, lodging, telephone,
postage and Federal Express charges.

     6.   REPRESENTATION AND INDEMNIFICATION.
          ----------------------------------

     The Company shall be deemed to have been made a continuing representation
of the accuracy of any and all facts, material information and data which it
supplies to Consultant and acknowledges its awareness that Consultant will rely
on such continuing representation in disseminating such information and
otherwise performing its advisory functions.  Consultant in the absence of
notice in writing from the Company, will rely on the continuing accuracy of
material, information and data supplied by the Company.  Consultant represents
that he has knowledge of and is experienced in providing the aforementioned
services.

     7.   MISCELLANEOUS.
          -------------

     Termination:   This Agreement may be terminated by either Party upon
     -----------
written notice to the other Party for any reason which shall be effective five
(5) business days from the date of such notice. This Agreement shall be
terminated immediately upon written notice for material breach of this
Agreement.

     Modification:  This Consulting Agreement sets forth the entire
     ------------
understanding of the Parties with respect to the subject matter hereof.  This
Consulting Agreement may be amended only in writing signed by both Parties.

     Notices:  Any notice required or permitted to be given hereunder shall be
     -------
in writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number as the Party shall have furnished in
writing to the other Party.

     Waiver:  Any waiver by either Party of a breach of any provision of this
     ------
Consulting Agreement shall not operate as or be construed to be a waiver of any
other breach of that provision or of any breach of any other provision of this
Consulting Agreement.  The failure of a Party to insist upon strict adherence to
any term of this Consulting Agreement on one or more occasions will not be
considered a waiver or deprive that Party of the right thereafter to insist upon
adherence to that term of any other term of this Consulting Agreement.

     Assignment:  The Options under this Agreement are assignable at the
     ----------
discretion of the Consultant.
<PAGE>

     Severability:  If any provision of this Consulting Agreement is invalid,
     ------------
illegal, or unenforceable, the balance of this Consulting Agreement shall remain
in effect, and if any provision is inapplicable to any person or circumstance,
it shall nevertheless remain applicable to all other persons and circumstances.

     Disagreements:  Any dispute or other disagreement arising from or out of
     -------------
this Consulting Agreement shall be submitted to arbitration under the rules of
the American Arbitration Association and the decision of the arbiter(s) shall be
enforceable in any court having jurisdiction thereof.  Arbitration shall occur
only in Los Angeles, CA.  The interpretation and the enforcement of this
Agreement shall be governed by California Law as applied to residents of the
State of California relating to contracts executed in and to be performed solely
within the State of California.  In the event any dispute is arbitrated, the
prevailing Party (as determined by the arbiter(s)) shall be entitled to recover
that Party's reasonable attorney's fees incurred (as determined by the
arbiter(s)).

     IN WITNESS WHEREOF, this Consulting Agreement has been executed by the
Parties as of the date first above written.

KAIRE HOLDINGS INCORPORATED             CONSULTANT

/s/ Steve Westlund                      /s/ George Furla
------------------------------------    -----------------------------------
Steve Westlund                          George Furla
Chief Executive Officer and Chairman
<PAGE>

Exhibit 4.1(c)

                              CONSULTING AGREEMENT

     This Consulting Agreement (the "Consulting Agreement") made as of February
1, 2000, by and between Richard Kaplan, P.O. Box 43272, Hanof, Jerusalem, Isreal
("Consultant") and Kaire Holdings Incorporated with offices at 7348 Bellaire
Avenue, North Hollywood, CA 91605, (the "Company").

                                 WITNESSETH

     WHEREAS, the Company requires and will continue to require consulting
services relating management, strategic planning and marketing in connection
with its business; and

     WHEREAS, Consultant can provide the Company with strategic planning and
marketing consulting services and is desirous of performing such services for
the Company; and

     WHEREAS, the Company wishes to induce Consultant to provide these
consulting services to the Company,

     NOW, THEREFORE, in consideration of the mutual covenants hereinafter
stated, it is agreed as follows:

     1.   APPOINTMENT.
          -----------

     The Company hereby engages Consultant and Consultant agrees to render
services to the Company as a consultant upon the terms and conditions
hereinafter set forth.

     2.   TERM.
          ----

     The term of this Consulting Agreement began as of the date of this
Agreement, and shall terminate on December 31, 2000, unless earlier terminated
in accordance with paragraph 8 herein or extended as agreed to between the
parties.

     3.   SERVICES.
          --------

     During the term of this Agreement, Consultant shall provide advice to
undertake for and consult with the Company concerning management, marketing,
consulting, strategic planning, corporate organization and structure, financial
matters in connection with the operation of the businesses of the Company,
expansion of services, acquisitions and business opportunities, and shall review
and advise the Company regarding its overall progress, needs and condition.
Consultant agrees to provide on a timely basis the following enumerated services
plus any additional services contemplated thereby:

          (a) The implementation of short-range and long-term strategic planning
          to fully develop and enhance the Company's assets, resources, products
          and services;

          (b) The implementation of a marketing program to enable the Company to
          broaden the markets for its services and promote the image of the
          Company and its products and services;

          (c) Advise the Company relative to the recruitment and employment of
          key executives consistent with the expansion of operations of the
          Company;

          (d) The identification, evaluation, structuring, negotiating and
          closing of joint ventures, strategic alliances, business acquisitions
          and advice with regard to
<PAGE>

          the ongoing managing and operating of such acquisitions upon
          consummation thereof; and

          (e) Advice and recommendations regarding corporate financing including
          the structure, terms and content of bank loans, institutional loans,
          private debt funding, mezzanine financing, blind pool financing and
          other preferred and common stock equity private or public financing.

     4.   DUTIES OF THE COMPANY.
          ---------------------

     The Company shall provide Consultant, on a regular and timely basis, with
all approved data and information about it, its subsidiaries, its management,
its products and services and its operations as shall be reasonably requested by
Consultant, and shall advise Consultant of any facts which would affect the
accuracy of any data and information previously supplied pursuant to this
paragraph.  The Company shall promptly supply Consultant with full and complete
copies of all financial reports, all fillings with all federal and state
securities agencies; with full and complete copies of all stockholder reports;
with all data and information supplied by any financial analyst, and with all
brochures or other sales materials relating to its products or services.

     5.   COMPENSATION.
          ------------

     The Company will immediately grant Consultant the option to purchase
300,000 shares of the Company's Common Stock with an exercise price of $.15 per
share, which option shall expire on December 31, 2000 at 5:00 P.M. P.S.T.  The
number of shares herein are subject to the anti-dilution provisions of the
corresponding warrant which is being issued in conjunction with this Agreement.
Consultant in providing the foregoing services, shall not be responsible for any
out-of-pocket costs, including, without limitation, travel, lodging, telephone,
postage and Federal Express charges.

     6.   REPRESENTATION AND INDEMNIFICATION.
          ----------------------------------

     The Company shall be deemed to have been made a continuing representation
of the accuracy of any and all facts, material information and data which it
supplies to Consultant and acknowledges its awareness that Consultant will rely
on such continuing representation in disseminating such information and
otherwise performing its advisory functions.  Consultant in the absence of
notice in writing from the Company, will rely on the continuing accuracy of
material, information and data supplied by the Company.  Consultant represents
that he has knowledge of and is experienced in providing the aforementioned
services.

     7.   MISCELLANEOUS.
          -------------

     Termination:   This Agreement may be terminated by either Party upon
     -----------
written notice to the other Party for any reason which shall be effective five
(5) business days from the date of such notice. This Agreement shall be
terminated immediately upon written notice for material breach of this
Agreement.

     Modification:  This Consulting Agreement sets forth the entire
     ------------
understanding of the Parties with respect to the subject matter hereof.  This
Consulting Agreement may be amended only in  writing signed by both Parties.

     Notices:  Any notice required or permitted to be given hereunder shall be
     -------
in writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number as the Party shall have furnished in
writing to the other Party.

     Waiver:  Any waiver by either Party of a breach of any provision of this
     ------
Consulting Agreement shall not operate as or be construed to be a waiver of any
other breach of that provision or of any breach of any other provision of this
Consulting Agreement.  The failure of a Party to insist upon strict adherence to
any term of this Consulting Agreement on one or more occasions will not be
considered a waiver or deprive that Party of the right thereafter to insist upon
adherence to that term of any other term of this Consulting Agreement.
<PAGE>

     Assignment:  The Options under this Agreement are assignable at the
     ----------
discretion of the Consultant.

     Severability:  If any provision of this Consulting Agreement is invalid,
     ------------
illegal, or unenforceable, the balance of this Consulting Agreement shall remain
in effect, and if any provision is inapplicable to any person or circumstance,
it shall nevertheless remain applicable to all other persons and circumstances.

     Disagreements:  Any dispute or other disagreement arising from or out of
     -------------
this Consulting Agreement shall be submitted to arbitration under the rules of
the American Arbitration Association and the decision of the arbiter(s) shall be
enforceable in any court having jurisdiction thereof.  Arbitration shall occur
only in Los Angeles, CA.  The interpretation and the enforcement of this
Agreement shall be governed by California Law as applied to residents of the
State of California relating to contracts executed in and to be performed solely
within the State of California.  In the event any dispute is arbitrated, the
prevailing Party (as determined by the arbiter(s)) shall be entitled to recover
that Party's reasonable attorney's fees incurred (as determined by the
arbiter(s)).

     IN WITNESS WHEREOF, this Consulting Agreement has been executed by the
Parties as of the date first above written.

KAIRE HOLDINGS INCORPORATED                      CONSULTANT

/s/ Steve Westlund                              /s/ Richard Kaplan
----------------------------------              -------------------------------
Steve Westlund                                  Richard Kaplan
Chief Executive Officer and Director
<PAGE>

Exhibit 4.1(d)

                              CONSULTING AGREEMENT

     This Consulting Agreement (the "Consulting Agreement") made as of February
1, 2000, by and between Peter Benz, 543 Virginia Avenue , San Mateo, CA 94402
("Consultant") and Kaire Holdings Incorporated with offices at 7348 Bellaire
Ave, North Hollywood, CA 91605 (the "Company").

                                 WITNESSETH

     WHEREAS, the Company requires and will continue to require consulting
services relating management, strategic planning and marketing in connection
with its business; and

     WHEREAS, Consultant can provide the Company with strategic planning and
marketing consulting services and is desirous of performing such services for
the Company; and

     WHEREAS, the Company wishes to induce Consultant to provide these
consulting services to the Company,

     NOW, THEREFORE, in consideration of the mutual covenants hereinafter
stated, it is agreed as follows:

     1.   APPOINTMENT.
          -----------

     The Company hereby engages Consultant and Consultant agrees to render
services to the Company as a consultant upon the terms and conditions
hereinafter set forth.

     2.   TERM.
          ----

     The term of this Consulting Agreement began as of the date of this
Agreement, and shall terminate on December 31, 2000, unless earlier terminated
in accordance with paragraph 8 herein or extended as agreed to between the
parties.

     3.   SERVICES.
          --------

     During the term of this Agreement, Consultant shall provide advice to
undertake for and consult with the Company concerning management, marketing,
consulting, strategic planning, corporate organization and structure, financial
matters in connection with the operation of the businesses of the Company,
expansion of services, acquisitions and business opportunities, and shall review
and advise the Company regarding its overall progress, needs and condition.
Consultant agrees to provide on a timely basis the following enumerated services
plus any additional services contemplated thereby:

          (a) The implementation of short-range and long-term strategic planning
          to fully develop and enhance the Company's assets, resources, products
          and services;

          (b) The implementation of a marketing program to enable the Company to
          broaden the markets for its services and promote the image of the
          Company and its products and services;

          (c) Advise the Company relative to the recruitment and employment of
          key executives consistent with the expansion of operations of the
          Company;

          (d) The identification, evaluation, structuring, negotiating and
          closing of joint ventures, strategic alliances, business acquisitions
          and advice with regard to the ongoing managing and operating of such
          acquisitions upon consummation thereof; and
<PAGE>

          (e) Advice and recommendations regarding corporate financing including
          the structure, terms and content of bank loans, institutional loans,
          private debt funding, mezzanine financing, blind pool financing and
          other preferred and common stock equity private or public financing.

     4.   DUTIES OF THE COMPANY.
          ---------------------

     The Company shall provide Consultant, on a regular and timely basis, with
all approved data and information about it, its subsidiaries, its management,
its products and services and its operations as shall be reasonably requested by
Consultant, and shall advise Consultant of any facts which would affect the
accuracy of any data and information previously supplied pursuant to this
paragraph.  The Company shall promptly supply Consultant with full and complete
copies of all financial reports, all fillings with all federal and state
securities agencies; with full and complete copies of all stockholder reports;
with all data and information supplied by any financial analyst, and with all
brochures or other sales materials relating to its products or services.

          COMPENSATION.
          ------------

     The Company will immediately grant Consultant the option to purchase
1,000,000 shares of the Company's Common Stock with an exercise price at $.15
per share, which option shall expire on December 31, 2000 at 5:00 P.M. P.S.T.
The number of shares herein are subject to the anti-dilution provisions of the
corresponding warrant which is being issued in conjunction with this Agreement.
Consultant in providing the foregoing services, shall not be responsible for any
out-of-pocket costs, including, without limitation, travel, lodging, telephone,
postage and Federal Express charges.

     6.   REPRESENTATION AND INDEMNIFICATION.
          ----------------------------------

     The Company shall be deemed to have been made a continuing representation
of the accuracy of any and all facts, material information and data which it
supplies to Consultant and acknowledges its awareness that Consultant will rely
on such continuing representation in disseminating such information and
otherwise performing its advisory functions.  Consultant in the absence of
notice in writing from the Company, will rely on the continuing accuracy of
material, information and data supplied by the Company.  Consultant represents
that he has knowledge of and is experienced in providing the aforementioned
services.

     7.   MISCELLANEOUS.
          -------------

     Termination:  This Agreement may be terminated by either Party upon written
     -----------
notice to the other Party for any reason which shall be effective five (5)
business days from the date of such notice.  This Agreement shall be terminated
immediately upon written notice for material breach of this Agreement.

     Modification:  This Consulting Agreement sets forth the entire
     ------------
understanding of the Parties with respect to the subject matter hereof.  This
Consulting Agreement may be amended only in writing signed by both Parties.

     Notices:  Any notice required or permitted to be given hereunder shall be
     -------
in writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number as the Party shall have furnished in
writing to the other Party.

     Waiver:  Any waiver by either Party of a breach of any provision of this
     ------
Consulting Agreement shall not operate as or be construed to be a waiver of any
other breach of that provision or of any breach of any other provision of this
Consulting Agreement.  The failure of a Party to insist upon strict adherence to
any term of this Consulting Agreement on one or more occasions will not be
considered a waiver or deprive that Party of the right thereafter to insist upon
adherence to that term of any other term of this Consulting Agreement.

     Assignment:  The Options under this Agreement are assignable at the
     ----------
discretion of the Consultant.
<PAGE>

     Severability:  If any provision of this Consulting Agreement is invalid,
     ------------
illegal, or unenforceable, the balance of this Consulting Agreement shall remain
in effect, and if any provision is inapplicable to any person or circumstance,
it shall nevertheless remain applicable to all other persons and circumstances.

     Disagreements:  Any dispute or other disagreement arising from or out of
     -------------
this Consulting Agreement shall be submitted to arbitration under the rules of
the American Arbitration Association and the decision of the arbiter(s) shall be
enforceable in any court having jurisdiction thereof.  Arbitration shall occur
only in San Diego, CA.  The interpretation and the enforcement of this Agreement
shall be governed by California Law as applied to residents of the State of
California relating to contracts executed in and to be performed solely within
the State of California.  In the event any dispute is arbitrated, the prevailing
Party (as determined by the arbiter(s)) shall be entitled to recover that
Party's reasonable attorney's fees incurred (as determined by the arbiter(s)).

     IN WITNESS WHEREOF, this Consulting Agreement has been executed by the
Parties as of the date first above written.

Kaire Holdings Incorporated                 CONSULTANT

/s/ Steven Westlund                         /s/ Peter Benz
-----------------------------------         ------------------------------------
Steven Westlund                             Peter Benz
Chief Executive Officer
<PAGE>

Exhibit 4.1(e)

                              CONSULTING AGREEMENT

     This Consulting Agreement (the "Consulting Agreement") made as of February
1, 2000, by and between S. Michael Rudolph, 1325 Howard Ave. #422 Burlingame, CA
94010 ("Consultant") and Kaire Holdings Incorporated with offices at 7348
Bellaire Avenue, North Hollywood, CA 91605 (the "Company").

                                 WITNESSETH

     WHEREAS, the Company requires and will continue to require consulting
services relating management, strategic planning and marketing in connection
with its business; and

     WHEREAS, Consultant can provide the Company with strategic planning and
marketing consulting services and is desirous of performing such services for
the Company; and

     WHEREAS, the Company wishes to induce Consultant to provide these
consulting services to the Company,

     NOW, THEREFORE, in consideration of the mutual covenants hereinafter
stated, it is agreed as follows:

     1.   APPOINTMENT.
          -----------

     The Company hereby engages Consultant and Consultant agrees to render
services to the Company as a consultant upon the terms and conditions
hereinafter set forth.

     2.   TERM.
          ----

     The term of this Consulting Agreement began as of the date of this
Agreement, and shall terminate on December 31, 2000, unless earlier terminated
in accordance with paragraph 8 herein or extended as agreed to between the
parties.

     3.   SERVICES.
          --------

     During the term of this Agreement, Consultant shall provide advice to
undertake for and consult with the Company concerning management, marketing,
consulting, strategic planning, corporate organization and structure, financial
matters in connection with the operation of the businesses of the Company,
expansion of services, acquisitions and business opportunities, and shall review
and advise the Company regarding its overall progress, needs and condition.
Consultant agrees to provide on a timely basis the following enumerated services
plus any additional services contemplated thereby:

          (a) The implementation of short-range and long-term strategic planning
to fully develop and enhance the Company's assets, resources, products and
services;

          (b) The implementation of a marketing program to enable the Company to
broaden the markets for its services and promote the image of the Company and
its products and services;

          (c) Advise the Company relative to the recruitment and employment of
key executives consistent with the expansion of operations of the Company;

          (d) The identification, evaluation, structuring, negotiating and
closing of joint ventures, strategic alliances, business acquisitions and advice
with regard to the ongoing managing and operating of such acquisitions upon
consummation thereof; and

          (e) Advice and recommendations regarding corporate financing including
the structure, terms and content of bank loans, institutional loans, private
debt
<PAGE>

funding, mezzanine financing, blind pool financing and other preferred and
common stock equity private or public financing.

     4.   DUTIES OF THE COMPANY.
          ---------------------

     The Company shall provide Consultant, on a regular and timely basis, with
all approved data and information about it, its subsidiaries, its management,
its products and services and its operations as shall be reasonably requested by
Consultant, and shall advise Consultant of any facts which would affect the
accuracy of any data and information previously supplied pursuant to this
paragraph.  The Company shall promptly supply Consultant with full and complete
copies of all financial reports, all fillings with all federal and state
securities agencies; with full and complete copies of all stockholder reports;
with all data and information supplied by any financial analyst, and with all
brochures or other sales materials relating to its products or services.

          COMPENSATION.
          ------------

     The Company will immediately grant Consultant the option to purchase
300,000 shares of the Company's Common Stock with an exercise price at $.15 per
share, which option shall expire on December 31, 2000 at 5:00 P.M. P.S.T.
Consultant in providing the foregoing services, shall not be responsible for any
out-of-pocket costs, including, without limitation, travel, lodging, telephone,
postage and Federal Express charges.

     6.   REPRESENTATION AND INDEMNIFICATION.
          ----------------------------------

     The Company shall be deemed to have been made a continuing representation
of the accuracy of any and all facts, material information and data which it
supplies to Consultant and acknowledges its awareness that Consultant will rely
on such continuing representation in disseminating such information and
otherwise performing its advisory functions.  Consultant in the absence of
notice in writing from the Company, will rely on the continuing accuracy of
material, information and data supplied by the Company.  Consultant represents
that he has knowledge of and is experienced in providing the aforementioned
services.

     7.   MISCELLANEOUS.
          -------------

     Termination:  This Agreement may be terminated by either Party upon written
     -----------
notice to the other Party for any reason which shall be effective five (5)
business days from the date of such notice.  This Agreement shall be terminated
immediately upon written notice for material breach of this Agreement.

     Modification:  This Consulting Agreement sets forth the entire
     ------------
understanding of the Parties with respect to the subject matter hereof.  This
Consulting Agreement may be amended only in writing signed by both Parties.

     Notices:  Any notice required or permitted to be given hereunder shall be
     -------
in writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number as the Party shall have furnished in
writing to the other Party.

     Waiver:  Any waiver by either Party of a breach of any provision of this
     ------
Consulting Agreement shall not operate as or be construed to be a waiver of any
other breach of that provision or of any breach of any other provision of this
Consulting Agreement.  The failure of a Party to insist upon strict adherence to
any term of this Consulting Agreement on one or more occasions will not be
considered a waiver or deprive that Party of the right thereafter to insist upon
adherence to that term of any other term of this Consulting Agreement.

     Assignment:  The Options under this Agreement are assignable at the
     ----------
discretion of the Consultant.

     Severability:  If any provision of this Consulting Agreement is invalid,
     ------------
illegal, or unenforceable, the balance of this Consulting Agreement shall remain
in effect, and if any provision is inapplicable to any person or circumstance,
it shall nevertheless remain applicable to all other persons and circumstances.

     Disagreements:  Any dispute or other disagreement arising from or out of
     -------------
this Consulting Agreement shall be submitted to arbitration under the rules of
the American Arbitration Association and the decision of the arbiter(s)
<PAGE>

shall be enforceable in any court having jurisdiction thereof. Arbitration shall
occur only in Los Angeles County, CA. The interpretation and the enforcement of
this Agreement shall be governed by California Law as applied to residents of
the State of California relating to contracts executed in and to be performed
solely within the State of California. In the event any dispute is arbitrated,
the prevailing Party (as determined by the arbiter(s)) shall be entitled to
recover that Party's reasonable attorney's fees incurred (as determined by the
arbiter(s)).

     IN WITNESS WHEREOF, this Consulting Agreement has been executed by the
Parties as of the date first above written.

KAIRE HOLDINGS INCORPORATED                   CONSULTANT

/s/ Owen Naccarato                            /s/ S. Michael Rudolph
------------------                            ----------------------
Owen Naccarato                                Michael Rudolph
Chief Financial Officer

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