Exhibit 99.1


              USANA Announces Plans to Enter Singapore


    SALT LAKE CITY--(BUSINESS WIRE)--Sept. 11, 2003--USANA Health
Sciences Inc. (NASDAQ: USNA), at its annual international convention,
today announced plans to open operations in Singapore in the fourth
quarter of 2003. Singapore will be the 10th country where USANA
products are sold and distributed. Earlier this year the company
opened operations in South Korea.
    Dave Wentz, president of USANA, commented, "As a hub for
international business in the region, Singapore represents a strategic
location for future expansion throughout Southeast Asia. We have seen
considerable Associate interest expressed related to opening the
Singapore market and believe our business model of scientifically
based products and income opportunity will position USANA for
long-term growth in this region."
    USANA plans to establish an office and call center along with a
full-service walk-in distribution center.
    USANA develops and manufactures high-quality nutritionals,
personal care, and weight management products that are sold directly
to Preferred Customers and Associates throughout the United States,
Canada, Australia, New Zealand, Hong Kong, Japan, Taiwan, South Korea
and the United Kingdom. More information on USANA can be found at
http://www.usanahealthsciences.com.

    This press release contains forward-looking statements within the
meaning of Section 27A of the Securities Act and Section 21E of the
Securities Exchange Act. Actual results could differ materially from
those projected in the forward-looking statements, which involve a
number of risks and uncertainties, including reliance upon the
company's independent Associate network, government regulation of
products, manufacturing and marketing, the possible continued spread
of severe acute respiratory syndrome (SARS) in Asia, and risks
associated with international expansion. Forward-looking statements in
this release include the company's statements that (1) Singapore
represents a strategic location for future expansion throughout
Southeast Asia, and (2) the company's belief that its "business model
of scientifically based products and income opportunity will position
USANA for long-term growth in this region." These statements and the
other contents of this release should be considered in conjunction
with the warnings and cautionary statements contained in USANA's most
recent filings with the Securities and Exchange Commission on Forms
10-Q and 10-K.


    CONTACT: USANA Health Sciences Inc., Salt lake City
             Riley Timmer, 801-954-7100 (Investor Relations)
             investor.relations@us.usana.com