October 22, 2018 G. Douglas Hekking Chief Financial Officer Usana Health Sciences, Inc. 3838 West Parkway Blvd. Salt Lake City, Utah 84120 Re: Usana Health Sciences, Inc. Form 10-K for the Fiscal Year Ended December 30, 2017 Filed February 28, 2018 Form 10-Q for the Fiscal Quarter Ended June 30, 2018 Filed August 8, 2018 File No. 001-35024 Dear Mr. Hekking: We have limited our review of your filings to the financial statements and related disclosures and have the following comments. In some of our comments, we may ask you to provide us with information so we may better understand your disclosure. Please respond to these comments within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comments apply to your facts and circumstances, please tell us why in your response. After reviewing your response to these comments, we may have additional comments. Form 10-K for the Fiscal Year Ended December 30, 2017 Financial Statements Notes to the Financial Statements Note D - Income Taxes, page F-17 1. Please tell us why you do not disclose the components of income (loss) before income tax expense (benefit) as either domestic or foreign . Refer to Rule 4-08(h)(1) of Regulation S- X. Form 10-Q for the Quarterly Period Ended June 30, 2018 Notes to Condensed Consolidated Financial Statements G. Douglas Hekking Usana Health Sciences, Inc. October 22, 2018 Page 2 Note A Organization, Consolidation, and Basis of Presentation Recent Accounting Pronouncements Adopted accounting pronouncements, page 7 2. Upon adoption of ASC 606, you changed the timing of revenue recognition from when the goods are delivered to when the goods are shipped. In light of your disclosures on page F- 12 of Form 10-K for the fiscal year ended December 31, 2017 that the title and risks and rewards of ownership pass at the time of delivery, and based on the nature of the products being sold, please provide us an analysis to support your determination that the control of the goods transfers upon shipment. In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. You may contact Andi Carpenter at 202-551-3645 or Keira Nakada at 202-551-3659 with any questions. FirstName LastNameG. Douglas Hekking Sincerely, Comapany NameUsana Health Sciences, Inc. Division of Corporation Finance October 22, 2018 Page 2 Office of Healthcare & Insurance FirstName LastName