Exhibit 99.1

            USANA Acquires Manufacturing Facility in China

    SALT LAKE CITY--(BUSINESS WIRE)--Sept. 20, 2005--USANA Health
Sciences Inc. (NASDAQ: USNA) today announced that it has purchased for
cash a personal care manufacturing facility in China. The experienced
local management team will remain in place and the facility features
expansion capability. The terms of the transaction were not disclosed.
    "This marks a significant first step for our long-term plan of
developing the Chinese market," said USANA President Dave Wentz. "The
recent release of the new regulations that will govern direct selling
in China allows us to actively prepare for entry into one of the
world's largest direct selling markets."
    The regulations indicate that the new direct selling laws will go
into effect on Dec. 1, 2005. USANA's timeline for receiving a direct
selling license and obtaining product approvals is uncertain, but
could take as long as 12 months.

    About USANA

    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,
Singapore, Mexico, the Netherlands, and the United Kingdom. More
information on USANA can be found at
http://www.usanahealthsciences.com.

    Safe Harbor

    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 these forward-looking statements, which involve a
number of risks and uncertainties, including reliance upon our network
of independent associates, the governmental regulation of our
products, manufacturing and marketing risks, and uncertainties
associated with our planned international expansion, including our
potential expansion into China. The contents of this release should be
considered in conjunction with the risk factors, warnings, and
cautionary statements that are contained in our most recent filings
with the Securities and Exchange Commission.



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