FIFTH EXTENSION AGREEMENT

                                                            EXHIBIT 4.18

                            FIFTH EXTENSION AGREEMENT

     FIFTH EXTENSION AGREEMENT, dated as of May 3, 1995, by and between VITAFORT
INTERNATIONAL CORPORATION, a Delaware corporation, and CONTINENTAL STOCK
TRANSFER & TRUST COMPANY.

     WHEREAS, the parties hereto are the parties to a Warrant Agency Agreement
(the Warrant Agency Agreement"), dated as of December 19, 1989, as amended by an
Extension Agreement (the "Extension Agreement"), dated as of December 18, 1992,
as further amended by a Second Extension Agreement (the "Second Extension
Agreement"), dated as of December 18, 1994, as further amended by a Third
Extension Agreement, dated as of January 18, 1995 (the "Third Extension
Agreement"), and as further amended by a Fourth Extension Agreement, dated as of
April 3, 1995 (the "Fourth Extension Agreement")(the Warrant Agency Agreement,
the Extension Agreement, the Second Extension Agreement, the Third Extension
Agreement and the Fourth Extension Agreement are collectively referred to as the
"Amended Warrant Agency Agreement") and now desire to further amend the same;

     NOW, THEREFORE, it is agreed as follows:

     1.   All defined terms shall have the meaning given them in the Amended
Warrant Agency Agreement unless otherwise defined herein.

     2.   Section 5 of the Warrant Agency Agreement is amended to provide that
the period during which the Warrants may be exercised shall expire at 5:00 P.M.
New York City Time on June 15, 1995.  The period from May 4, 1995 to June 14,
1995 shall be






referred to as the Fifth Extension Period.  The Warrant Agent is authorized to
affix a stamp to certificates for the Warrants indicating the Fifth Extension
Period.

     3.  The Warrant Price during the Fifth Extension Period shall be $2.375,
subject to adjustment as set forth in Section 4 of the Extension Agreement.

     4.  This Fifth Extension Agreement may only be changed by an instrument in
writing executed by the parties hereto.  This Fifth Extension Agreement shall be
governed by the laws of the State of New York as they are applied to contracts
to be performed entirely within the State of New York.

     5. Except as specifically amended hereby the Amended Warrant Agency
Agreement shall remain in full force and effect.


     IN WITNESS WHEREOF, the parties hereto have set their hands and seals as of
the day and year first above written.

                    VITAFORT INTERNATIONAL CORPORATION

                         By:   /s/ Xxxx Xxxxxxx
                            ------------------------------------
                            Xxxx Xxxxxxx, President and Chief
                            Executive Officer

                    CONTINENTAL STOCK TRANSFER & TRUST COMPANY




                         By:   /s/ Xxxxxx Xxxxxx
                            ------------------------------------
                            Xxxxxx Xxxxxx, President


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