***Back to
      10Q***




**EXHIBIT
      32.1**








The
      following
      certifications are being furnished solely to accompany the Report pursuant
      to 18
      U.S.C. § 1350 and in accordance with SEC Release No. 33-8238. These
      certifications shall not be deemed “filed” for purposes of Section 18 of the
      Securities Exchange Act of 1934, as amended, nor shall they be incorporated
      by
      reference in any filing of the Company under the Securities Act of 1933, as
      amended, whether made before or after the date hereof, regardless of any general
      incorporation language in such filing.








**Certification
      of Chief Executive Officer**





Pursuant
      to 18
      U.S.C. §1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the
      undersigned officer of Schiff Nutrition International, Inc., a Delaware
      corporation (the “Company”), hereby certifies, to his knowledge,
      that:





(i)        the
      accompanying Quarterly Report on
      Form 10-Q of the Company for the period endedAugust 31,
      2007(the “Report”) fully complies with
      the
      requirements of Section 13(a) or Section 15(d), as applicable, of the Securities
      Exchange Act of 1934, as amended; and





(ii)       the
      information contained in the Report
      fairly presents, in all material respects, the financial condition and results
      of operations of the Company.








Dated:
                October 15, 2007
            By:
            */s/
                **Bruce J. Wood***Bruce
                J.
                WoodChief
                Executive Officer




A
      signed original of this written
      statement required by Section 906 has been provided to Schiff Nutrition
      International, Inc. and will be retained by Schiff Nutrition International,
      Inc.
      and furnished to the Securities and Exchange Commission or its staff upon
      request.













**Certification
      of Chief Financial Officer**





Pursuant
      to 18
      U.S.C. §1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the
      undersigned officer of Schiff Nutrition International, Inc., a Delaware
      corporation (the “Company”), hereby certifies, to his knowledge,
      that:





(i)      the
      accompanying Quarterly Report on
      Form 10-Q of the Company for the period endedAugust 31,
      2007(the “Report”) fully complies with
      the
      requirements of Section 13(a) or Section 15(d), as applicable, of the Securities
      Exchange Act of 1934, as amended; and





(ii)      the
      information contained in the Report
      fairly presents, in all material respects, the financial condition and results
      of operations of the Company.








Dated:
                October 15, 2007
            By:
            */s/
                **Joseph W. Baty***Joseph
                W.
                BatyChief
                Financial Officer





A
      signed original
      of this written statement required by Section 906 has been provided to Schiff
      Nutrition International, Inc. and will be retained by Schiff Nutrition
      International, Inc. and furnished to the Securities and Exchange Commission
      or
      its staff upon request.