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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934
                               (Amendment No. _)*


                                  VIVUS, INC.
                                (Name of Issuer)


                    COMMON STOCK, PAR VALUE $0.001 PER SHARE
                         (Title of Class of Securities)


                                    928551100
                                 (CUSIP Number)


                                 JULY 19, 2007
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

             [_]  Rule 13d-1(b)
             [X]  Rule 13d-1(c)
             [_]  Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting  person's
initial  filing on this form with respect to the subject  class of  securities,
and for any  subsequent  amendment  containing  information  which  would alter
disclosures provided in a prior cover page.

The information required on the reminder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

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CUSIP NO. 928551100               Schedule 13G                     Page 2 of 15

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1.   Name of Reporting Person:          Aisling Capital II, LP
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      Delaware

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         2,926,029
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       0
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    2,926,029
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  0
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                PN
--------------------------------------------------------------------------------



CUSIP NO. 928551100               Schedule 13G                     Page 3 of 15

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1.   Name of Reporting Person:          Aisling Capital Partners, LP
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      Delaware

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         2,926,029
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       0
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    2,926,029
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  0
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                PN
--------------------------------------------------------------------------------


CUSIP NO. 928551100               Schedule 13G                     Page 4 of 15

--------------------------------------------------------------------------------
1.   Name of Reporting Person:          Aisling Capital Partners LLC
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      Delaware

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         2,926,029
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       0
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    2,926,029
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  0
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                OO
--------------------------------------------------------------------------------


CUSIP NO. 928551100               Schedule 13G                     Page 5 of 15

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1.   Name of Reporting Person:          Steve Elms
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      United States

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         0
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       2,926,029
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    0
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  2,926,029
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                IN
--------------------------------------------------------------------------------


CUSIP NO. 928551100               Schedule 13G                     Page 6 of 15

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1.   Name of Reporting Person:          Dennis Purcell
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      United States

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         0
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       2,926,029
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    0
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  2,926,029
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                IN
--------------------------------------------------------------------------------


CUSIP NO. 928551100               Schedule 13G                     Page 7 of 15

--------------------------------------------------------------------------------
1.   Name of Reporting Person:          Andrew Schiff
     I.R.S. Identification
     No. of Above Person

--------------------------------------------------------------------------------
2.   Check the Appropriate Box                                       (a)  [_]
     if a Member of a Group                                          (b)  [X]

--------------------------------------------------------------------------------
3.  SEC Use Only

--------------------------------------------------------------------------------
4.   Citizenship or Place of Organization      United States

--------------------------------------------------------------------------------
           Number of            5.  Sole Voting Power:         0
            Shares              ------------------------------------------------
         Beneficially           6.  Shared Voting Power:       2,926,029
           Owned By             ------------------------------------------------
            Each                7.  Sole Dispositive Power:    0
          Reporting             ------------------------------------------------
           Person               8.  Shared Dispositive Power:  2,926,029
--------------------------------------------------------------------------------
9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     2,926,029
--------------------------------------------------------------------------------
10.  Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

                                                                          [_]
--------------------------------------------------------------------------------
11.  Percent of Class Represented by Amount in Row (9)       5.0%

--------------------------------------------------------------------------------
12.  Type of Reporting Person                                IN
--------------------------------------------------------------------------------


CUSIP NO. 928551100               Schedule 13G                     Page 8 of 15


Item 1.  (a)    NAME OF ISSUER

                Vivus, Inc. (the "Company").

         (b)    ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES

                1172 Castro Street
                Mountain View, CA  94040

Item 2.  (a)    NAMES OF PERSONS FILING

                        This Statement is being filed on behalf of each of the
                following persons (collectively, the "Reporting Persons")

                (i)     Aisling Capital II, LP, a Delaware limited partnership
                        ("Aisling");

                (ii)    Aisling Capital Partners, LP, a Delaware limited
                        partnership ("Aisling Partners" and general partner of
                        Aisling);

                (iii)   Aisling Capital Partners LLC, a Delaware limited
                        liability company ("Aisling Partners GP" and general
                        partner of Aisling Partners);

                (iv)    Mr. Steve Elms ("Mr. Elms" and a managing member of
                        Aisling Partners GP);

                (v)     Mr. Dennis Purcell ("Mr. Purcell" and a managing member
                        of Aisling Partners GP); and

                (vi)    Mr. Andrew Schiff ("Mr. Schiff" and a managing member
                        of Aisling Partners GP).

         (b)    ADDRESS OF PRINCIPAL BUSINESS OFFICE

                The address of the principal business offices of each of the
                Reporting Persons is 888 Seventh Avenue, 30th Floor, New York,
                NY 10106.

         (c)    CITIZENSHIP

                (i)     Aisling - a Delaware limited partnership

                (ii)    Aisling Partners - a Delaware limited partnership

                (iii)   Aisling Partners GP - a Delaware limited liability
                        company

                (iv)    Mr. Elms - United States

                (v)     Mr. Purcell - United States

                (vi)    Mr. Schiff - United States



CUSIP NO. 928551100               Schedule 13G                     Page 9 of 15


         (d)    TITLE OF CLASS OF SECURITIES

                Common Stock, par value $0.001 per share (the "Common Stock" or
                "Shares")

         (e)    CUSIP NUMBER

                928551100

Item 3.  This statement is not being filed pursuant to either Rule 13d-1(b) or
         13d-2(b) or (c).

Item 4.  OWNERSHIP.

         (a)    AMOUNT BENEFICIALLY OWNED:

                Each of the Reporting Persons may be deemed to beneficially own
                an aggregate of 2,926,029 Shares.

         (b)    PERCENTAGE OWNED:

                Based on calculations made in accordance with Rule 13d-3(d),
                and there being 58,359,629 Shares outstanding as of April 25,
                2007 each of the Reporting Persons may be deemed to
                beneficially own approximately 5.0% of the outstanding Common
                Stock.

         (c)    NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:

                (i) Each of Aisling, Aisling Partners and Aisling Partners GP
                may be deemed to have sole power to direct the voting and
                disposition of the 2,926,029 Shares beneficially owned by
                Aisling.

                (ii) By virtue of the relationships between and among the
                Reporting Persons as described in Item 2, each of Mr. Elms, Mr.
                Purcell, and Mr. Schiff, may be deemed to share the power to
                direct the voting and disposition of the 2,926,029 Shares
                beneficially owned by Aisling.

Item 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

         Not applicable.



CUSIP NO. 928551100               Schedule 13G                    Page 10 of 15


Item 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

          The partners of Aisling have the right to participate in the receipt
          of dividends from, or proceeds from the sale of, the Shares held for
          the account of Aisling in accordance with their ownership interests
          in Aisling.

Item 7.   IDENTIFICATION AND CLASSIFICATION OF SUBSIDIARY WHICH ACQUIRED THE
          SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

          Not applicable.

Item 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

          Not applicable.

Item 9.   NOTICE OF DISSOLUTION OF GROUP

          Not applicable.

Item 10.  CERTIFICATION

          (b) The following certification shall be included if the statement is
          filed pursuant to ss.240.13d-1(c):


          By signing below we certify that, to the best of our knowledge and
          belief, the securities referred to above were not acquired and are
          not held for the purpose of or with the effect of changing or
          influencing the control of the issuer of the securities and were not
          acquired and are not held in connection with or as a participant in
          any transaction having that purpose or effect.


                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]


CUSIP NO. 928551100                Schedule 13G                   Page 11 of 15


                                   SIGNATURES

         After reasonable inquiry and to the best of our knowledge and belief,
the undersigned certify that the information set forth in this statement is
true, complete and correct.

Dated as of July 30, 2007

                                AISLING CAPITAL II, LP


                                By:   Aisling Capital Partners, LP
                                      General Partner


                                By:   Aisling Capital Partners LLC
                                      Managing Member


                                By:   /s/ Dennis Purcell
                                      -----------------------------------------
                                      Name:  Dennis Purcell
                                      Title: Senior Managing Director


                                AISLING CAPITAL PARTNERS, LP


                                By:   Aisling Capital Partners LLC
                                      Managing Member


                                By:   /s/ Dennis Purcell
                                      -----------------------------------------
                                      Name:  Dennis Purcell
                                      Title: Senior Managing Director


                                AISLING CAPITAL PARTNERS LLC


                                By:   /s/ Dennis Purcell
                                      -----------------------------------------
                                      Name:  Dennis Purcell
                                      Title: Senior Managing Director





CUSIP NO. 928551100                Schedule 13G                   Page 12 of 15




                                /s/ Steve Elms
                                --------------------------------------------
                                Steve Elms


                                /s/ Dennis Purcell
                                --------------------------------------------
                                Dennis Purcell


                                /s/ Andrew Schiff
                                --------------------------------------------
                                Andrew Schiff








CUSIP NO. 928551100                Schedule 13G                   Page 13 of 15


                                 EXHIBIT INDEX


Exhibit 1.      Joint Filing Agreement as required by Rule 13d-1(k)(1) under
                the Securities Exchange Act of 1934, as amended.