Document:

<PAGE>   1

                                                                     EXHIBIT 4.2

           Schedule Identifying Omitted Secured Convertible Debentures

<TABLE>
<CAPTION>
       -----------------------------------------------------------
                       Holder                   Principal Amount
       -----------------------------------------------------------
       <S>                                      <C>
       AJW Partners, LLC                          $100,000
       -----------------------------------------------------------
       Millennium Capital Partners II, LLC        $100,000
       -----------------------------------------------------------
       Equilibrium Equity, LLC                    $ 25,000
       -----------------------------------------------------------
</TABLE>

                                       17<PAGE>   1
                                                                    EXHIBIT 10.8

                               FIRST AMENDMENT TO
                                 PROMISSORY NOTE

         THIS FIRST AMENDMENT TO PROMISSORY NOTE (this "Amendment") is made and
entered into as of the 21st day of February, 2001 by and among Vital Living
Products, Inc., a Delaware corporation (the "the Borrower"), and CTF, Inc., a
Minnesota corporation (the "Lender").

                              STATEMENT OF PURPOSE

         Borrower is indebted to Lender pursuant to that certain Promissory Note
dated September 1, 1992, in the original principal amount of $400,000.00 (the
"Note"). Pursuant to a Securities Purchase Agreement dated the date hereof
between the Borrower and the Buyers party thereto (the "Securities Purchase
Agreement") it is contemplated that the Buyers will purchase certain Convertible
Debentures and Warrants from the Borrower. It is a condition precedent to
closing of the transactions contemplated by the Securities Purchase Agreement
that the Lender amend the Note to extend the term thereof and make certain other
amendments thereto as provided for herein.

         NOW, THEREFORE, in consideration of the mutual covenants contained
herein and other good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, the parties hereto hereby agree as follows:

         1.       Acknowledgment of Debt. The Borrower hereby acknowledges and
agrees that as of the date of this Agreement, the outstanding balance due under
the Note is $403,801.53, including principal and accrued but unpaid interest.

         2.       Extension of Term; Continued Payment of Interest. The Lender
hereby agrees that notwithstanding the occurrence or existence of any default
prior to the date hereof the outstanding principal due on the Note shall not be
due and payable until February 23, 2003. In furtherance of the foregoing, the
first sentence of the second paragraph of the Note is hereby replaced with the
following:

         All unpaid principal and all accrued interest on this Note
         shall be payable in full on February 23, 2003 (the "Maturity
         Date").

The Borrower hereby agrees to continue to pay interest on the Note on the first
day of each month, per the terms of the Note.

         3.       Amendment of Default Provisions. The Lender hereby agrees to
amend the Note so that the failure of the Borrower to pay interest on the Note
as provided therein prior to the Maturity Date shall not constitute a default
thereunder. In furtherance of the foregoing, clause (i) of the fifth paragraph
of the Note is hereby replaced with the following:

         (i)      the failure by Maker after the Maturity Date to make any
         payment of principal or interest when due hereunder, and such failure
         shall have continued for a period of more than fifteen (15) consecutive
         days;

                                       18
<PAGE>   2

         4.       Full Force and Effect. Except as expressly provided herein,
this Amendment shall not amend or modify the terms and conditions of the Note,
which terms and conditions shall remain in full force and effect.

                            [SIGNATURE PAGE FOLLOWS]

                                       19
<PAGE>   3

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed under seal as of the date first above written.

                              VITAL LIVING PRODUCTS, INC.

                              By: /s/ Donald R. Podrebarac
                                  --------------------------------------------
                                      Donald R. Podrebarac
                                      President

                              CTF, INC.

                               /s/ C. Wilbur Peters                      [SEAL]
                              -------------------------------------------
                                   C. Wilbur Peters
                                   President

                                       20<PAGE>   1

                                                                    EXHIBIT 10.9

                               FIRST AMENDMENT TO
                                 PROMISSORY NOTE

         THIS FIRST AMENDMENT TO PROMISSORY NOTE (this "Amendment") is made and
entered into as of the 21st day of February, 2001 by and among Vital Living
Products, Inc., a Delaware corporation (the "the Borrower"), and C. Wilbur
Peters (the "Lender").

                              STATEMENT OF PURPOSE

         Borrower is indebted to Lender pursuant to that certain Promissory Note
dated July 1, 1999, in the original principal amount of $750,000.00 (the
"Note"). Pursuant to a Securities Purchase Agreement dated the date hereof
between the Borrower and the Buyers party thereto (the "Securities Purchase
Agreement") it is contemplated that the Buyers will purchase certain Convertible
Debentures and Warrants from the Borrower. It is a condition precedent to
closing of the transactions contemplated by the Securities Purchase Agreement
that the Lender amend the Note to extend the term thereof and make certain other
amendments thereto as provided for herein.

         NOW, THEREFORE, in consideration of the mutual covenants contained
herein and other good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, the parties hereto hereby agree as follows:

         1.       Acknowledgment of Debt. The Borrower hereby acknowledges and
agrees that as of the date of this Agreement, the outstanding balance due under
the Note is $755,919.33, including principal and accrued but unpaid interest.

         2.       Extension of Term; Continued Payment of Interest. The Lender
hereby agrees that notwithstanding the occurrence or existence of any default
prior to the date hereof the outstanding principal due on the Note shall not be
due and payable until February 23, 2003. In furtherance of the foregoing, clause
(a) of the first paragraph of the Note is hereby replaced with the following:

         (a)      Principal shall be payable in full on February 23,
                  2003 (the "Maturity Date"), subject to prepayment
                  or acceleration as provided herein; and

The Borrower hereby agrees to continue to pay interest on the Note on the last
day of each month, per the terms of the Note.

         3.       Amendment of Default Provisions. The Lender hereby agrees to
amend the Note so that the failure of the Borrower to pay interest on the Note
as provided therein prior to the Maturity Date shall not constitute an "Event of
Default" thereunder. In furtherance of the foregoing, clause (a) of the sixth
paragraph of the Note is hereby replaced with the following:

         (a)      The failure of Borrower after the Maturity Date to

                  pay any installment of principal or interest
                  hereunder when due, and the continuation of such
                  failure for five (5) days after written notice
                  thereof, demanding such payment, is given by the
                  holder hereof to Borrower; or

                                       21
<PAGE>   2

         4.       Full Force and Effect. Except as expressly provided herein,
this Amendment shall not amend or modify the terms and conditions of the Note,
which terms and conditions shall remain in full force and effect.

                            [SIGNATURE PAGE FOLLOWS]

                                       22
<PAGE>   3

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed under seal as of the date first above written.

                                 VITAL LIVING PRODUCTS, INC.

                                 By: /s/ Donald R. Podrebarac
                                     ------------------------------------------
                                         Donald R. Podrebarac
                                         President

                                 /s/ C. Wilbur Peters                    [SEAL]
                                 ----------------------------------------
                                 C. Wilbur Peters

                                       23<PAGE>   1

                                                                   EXHIBIT 10.13

              Schedule Identifying Omitted Stock Purchase Warrants

<TABLE>
<CAPTION>
       -----------------------------------------------------------------------
                       Holder                     Shares Subject to Warrant
       -----------------------------------------------------------------------
       <S>                                        <C>
       AJW Partners, LLC                                   66,667
       -----------------------------------------------------------------------
       Millennium Capital Partners II, LLC                 66,667
       -----------------------------------------------------------------------
       Equilibrium Equity, LLC                             16,666
       -----------------------------------------------------------------------
</TABLE>

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