Document:

EXHIBIT 10.33

                                  AMENDMENT TO
                            THE CARNIVAL CORPORATION
                     "FUN SHIPsm" NONQUALIFIED SAVINGS PLAN

     The Carnival Corporation "Fun Shipsm " Nonqualifed Savings Plan (the
"Plan") is hereby amended, effective January 1, 2000, as follows:

     (1) A new Section 2.14(f) is added to the Plan to read as follows:

          (f) If a Participant transfers directly from an Affiliated Company to
     any company in which the Company holds an equity interest (but that is not
     an Affiliated Company), service with such company shall be counted solely
     for purposes of determining a Participant's vested interest in Matching and
     Profit-Sharing Contributions under Article 5 of the Plan.  Service with
     such company shall not be credited if it occurs prior to the date the
     individual became a Participant in the Plan or after the Participant works
     at any entity in which the Company does not hold an equity interest.

     (2) Section 6.3 is amended to read as follows:

          6.3 Establishment of Investment Funds:  The Retirement Committee will
     establish one or more Investment Funds (such as those described in Appendix
     A) which will be maintained for the purpose of determining the investment
     return to be credited to each Participant's Account.  The Retirement
     Committee may change the number, identity or composition of the Investment
     Funds from time to time.  Each Participant will indicate the Investment
     Funds based on which amounts allocated in accordance with Articles 4 and 5
     are to be adjusted.  Each Participant's Account will be increased or
     decreased by the net amount of investment earnings or losses that it would
     have achieved had it actually been invested in the deemed investments.  The
     Company is not required to purchase or hold any of the deemed investments.
     Investment Fund elections must be made in a minimum of 1% increments and at
     such times and in such manner as the Retirement Committee will specify.  An
     active or inactive Participant periodically may change his election as to
     his deemed investments with respect to Employee Deferral Contributions,
     Bonus Deferrals, Matching Contributions or Profit-Sharing Contributions in
     such manner as the Retirement Committee may specify.  If a Participant
     fails to make an Investment Fund election, the amount in the Participant's
     Account will be deemed to have been invested in a money market fund or any
     other fund as determined by the Retirement Committee.<PAGE>

                        EUROPEAN AMERICAN BANK, as Agent

                                                              July 21, 1999

PDK LABS INC.
145 Ricefield Lane
Hauppauge, New York 11788

              Re:  PDK Labs Inc. ("PDK") and Futurebiotics, Inc.
                   (collectively, the "Co-Borrowers")

Gentlemen:

     The undersigned, European American Bank ("EAB"), as agent (in such
capacity, the "Agent") for itself, Bank Leumi USA ("Bank Leumi") and National
Bank of Canada ("NBC", and, collectively with EAB and Bank Leumi, the "Banks"),
has been advised by the Co-Borrowers that G.E. Capital Corp. (the "New Lender")
will be engaging in financing of the Co-Borrowers. It is the understanding of
the Banks that a portion of the proceeds of said financing will be used to repay
the total indebtedness of the Co-Borrowers to the Banks.

     Based on the Banks' books and records, the total amount of "Obligations"
(as defined in that certain Credit Agreement, dated as of August 20, 1997, among
the Co-Borrowers, the Agent and the Banks (as amended or modified, the
"Agreement") due the Banks, in the aggregate, if paid on July 21, 1999, after
giving effect to confirmed collections of receivables through July 21, 1999 is
$2,732,504.24 (the "Payoff Amount") (allocable to the Banks and to the Agent's
attorney, as set forth below) which amount includes (i) all principal, interest,
fees, costs, expenses and liquidated damages due to the Banks as of such date in
the amount of $2,728,304.24 and (ii) legal fees and expenses of Farrell Fritz,
P.C., attorney for the Agent as of such date, in the amount of $4,200.00;
provided, however, that if the Payoff Amount is not received by the Banks by
2:00 p.m. on July 21, 1999, per diem interest of $707.09 per day (other than
with respect to the payment to Farrell Fritz) shall be due until payment is so
received. The Payoff Amount (plus any applicable per diem interest) should be
wire transferred to PDK's checking account at EAB, whereupon EAB is authorized
to debit such account for an amount equal to the Payoff Amount.

     In consideration of the payment in full of the Co-Borrowers's indebtedness
to the Banks and the termination of the Commitments of the Banks, as set forth
above, and the agreements of the Co-Borrowers contained herein, each Bank hereby
(i) acknowledges and agrees that payment of the Payoff Amount, if paid on July
21, 1999 in immediately available funds, will constitute payment in full of all
of the Co-Borrowers's indebtedness and obligations to the Banks, except as set
forth herein, (ii) represents that it has no other credit arrangements with,
loans outstanding to, guaranties by, or interests or liens against the
Co-Borrowers or the Co-Borrowers' personal

<PAGE>

property, (iii) releases, effective upon receipt of the Payoff Amount, all
security interests and liens which the Co-Borrowers may have granted to the
Agent for the ratable benefit of the Lenders, (iv) agrees that it will, at the
Co-Borrowers' or New Lender's expense, terminate all of its agreements with the
Co-Borrowers, and (v) agrees that the Co-Borrowers have no further liabilities
or obligations thereunder, except for those which by the terms of the Agreement
survive the termination thereof and except as set forth herein.

     The Agent further agrees, at the Co-Borrowers' or the New Lender's expense,
to deliver to the Co-Borrowers, upon payment in full of the Payoff Amount, such
termination statements, releases, cancellations, discharges or other agreements
as may be reasonably requested by the Co-Borrowers or the New Lender in
connection with the release of the security interests and liens in favor of the
Agent, for the ratable benefit of the Banks (collectively, the "Termination
Documents"); provided, however, that the Co-Borrowers or the New Lender shall
supply the Agent with the forms of any such Termination Documents (except for
the UCC-3 Termination Statements to be prepared by the Agent) to be executed by
the Agent.

     Notwithstanding anything to the contrary contained herein, the Agent and
the Banks hereby reserve all of their rights with respect to any and all checks
or similar instruments for payment of money heretofore received by them in
connection with their arrangements with the Co-Borrowers, and all of their
rights to any monies due or to become due under said checks or similar
instruments and/or all of their claims thereon.

     This letter may be executed in one or more counterparts, each of which
shall be deemed an original and all of which, taken together, shall constitute
one and the same agreement.

                                        EUROPEAN AMERICAN BANK, as a
                                        Bank and as Agent

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

                                        NATIONAL BANK OF CANADA, as a Bank

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

                                        BANK LEUMI USA, as a Bank

                                        By:
                                           -------------------------------------
                                        Name:
                                        Title:
<PAGE>

Acknowledged and Agreed to
this __ day of July, 1999

PDK LABS INC.

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

FUTUREBIOTICS, INC.

By:
   ----------------------------------
Name:
Title:<PAGE>

                               AMENDMENT AGREEMENT

     AMENDMENT AGREEMENT, dated as of May 1, 1999 by and between PDK Labs Inc.,
a New York corporation, with offices at 145 Ricefield Lane, Hauppauge, New York
11788 ("PDK") and Compare Generiks, Inc., a Delaware corporation, with offices
at 60 Davids Drive, Hauppauge, New York 11788 ("CGI").

     WHEREAS, PDK and CGI have heretofore entered into an Exclusive Supply and
Licensing Agreement, dated as of March 24, 1997 (the "Agreement"); as amended
April 1, 1998, November 1, 1998, and January 4, 1999.

     WHEREAS, Section 2(d) of the Agreement requires CGI to pay invoices within
sixty (60) days of the date of shipment of the related Products (as defined in
the Agreement);

     WHEREAS, the Agreement contains a provision permitting PDK to suspend its
obligations to perform under the Agreement in the event of an Event of Force
Majeure (as defined in the Agreement);

     WHEREAS, CGI is in default of the provisions of Section 2(d) of the
Agreement requiring CGI to pay invoices within sixty (60) days from the date of
shipment of the related Products and, in addition, an Event of Force Majeure (as
defined in the Agreement) has occurred and, in consideration for PDK agreeing to
waive (a) the breach by CGI of provisions contained in Section 2(d) of the
Agreement, and (b) its right to suspend performance of its obligations under the
Agreement, the parties hereto desire to (i) amend the Payment Provision to
provide for the payment by CGI to PDK of a higher amount.

     The terms which are not defined herein shall have the respective meanings
ascribed to them in the Agreement.

     NOW, THEREFORE, for valid and good consideration, the parties hereto agree
as follows:

          1) The sentence of Section 2(a) of the Agreement shall be deleted in
     its entirety and shall be replaced with the following:

<PAGE>

     "(a) In consideration for the waiver by PDK of (i) its rights with
     respect to the continuing breach by CGI of the payment provisions of
     Section 2(d) of this Agreement, and (ii) the right to suspend performance
     of its obligations under this Agreement as a result of the occurrence of an
     Event of Force Majeure (as defined in Section 5 below), CGI agrees to pay
     PDK $1.85 per bottle of Products shipped to CGI (the "Basic Payment"),
     provided that said waiver shall not constitute a waiver of PDK's right to
     terminate this Agreement and the License hereunder or to exercise any
     rights available to PDK upon reoccurrence or continuance of such acts or
     events. In addition to the Basic Payment, CGI shall also pay PDK the
     difference between 93% of the sales price as invoiced to the customer of
     each bottle and $1.85 per bottle (the "Excess Payment"). The Excess Payment
     is payable monthly, in arrears, within 15 days of the end of the month in
     which CGI received payment for the related Products."

          2) Except as herein above amended, all of the terms and provisions of
     the Agreement shall remain in full force and effect.

          3) This Amendment shall be governed by and construed in accordance
     with the laws of the State of New York, without regard to principles of
     conflicts of law.

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

                                        PDK LABS INC.

                                        By:
                                           -------------------------------------
                                           Reginald Spinello, President

                                        COMPARE GENERIKS, INC.

                                        By:
                                           -------------------------------------
                                           Thomas A. Keith, President

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