Exhibit 32.1
 
    CERTIFICATION
    PURSUANT TO
    18 U.S.C. SECTION 1350
    AS ADOPTED PURSUANT TO
    SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
 
    In connection with the Quarterly Report on
    Form 10-Q
    for the fiscal quarter ended September 30, 2006 of
    Herbalife Ltd. (the Company) as filed with the
    U.S. Securities and Exchange Commission (the
    Commission) on the date hereof (the
    Report) and pursuant to 18 U.S.C.
    Section 1350, as adopted pursuant to Section 906 of
    the Sarbanes-Oxley Act of 2002, each of the undersigned officers
    of the Company certifies that:
 
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    the Report fully complies with the requirements of
    Section 13(a) or 15(d) of the Securities Exchange Act of
    1934, as amended; and
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    the information contained in the Report fairly presents, in all
    material respects, the financial condition and results of
    operations of the Company.
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    Michael O. Johnson
    Chief Executive Officer
 
    Date: November 13, 2006
 
    Richard Goudis
    Chief Financial Officer
 
    Date: November 13, 2006
 
    A signed original of this written statement required by
    Section 906 has been provided to the Company and will be
    retained by the Company and furnished to the Commission or its
    staff upon request.
    
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