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EX-21 - EX-21 - USANA HEALTH SCIENCES INCa2208091zex-21.htm
EX-31.1 - EX-31.1 - USANA HEALTH SCIENCES INCa2208091zex-31_1.htm
EX-23.1 - EX-23.1 - USANA HEALTH SCIENCES INCa2208091zex-23_1.htm
EXCEL - IDEA: XBRL DOCUMENT - USANA HEALTH SCIENCES INCFinancial_Report.xls
EX-31.2 - EX-31.2 - USANA HEALTH SCIENCES INCa2208091zex-31_2.htm
EX-32.2 - EX-32.2 - USANA HEALTH SCIENCES INCa2208091zex-32_2.htm
10-K - 10-K - USANA HEALTH SCIENCES INCa2208091z10-k.htm

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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

        The undersigned hereby certifies that the Annual Report on Form 10-K of USANA Health Sciences, Inc. for the year ended December 31, 2011 as filed March 14, 2012 with the Securities and Exchange Commission, fully complies with the requirements of Section 13(a) or 15(d) of The Securities Exchange Act of 1934 (15 U.S.C. 78m) and that the information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of USANA Health Sciences, Inc.

Date: March 14, 2012   /s/ DAVID A. WENTZ

David A. Wentz
Chief Executive Officer
(Principal Executive Officer)



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CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002