EXHIBIT 21 SUBSIDIARIES Set forth below is a list of all active subsidiaries of the Registrant, the state or other jurisdiction of incorporation or organization of each, and the names under which subsidiaries do business. Name Jurisdiction of Incorporation ------------------------------ ---------------------------------- USANA Canada Co. Canada USANA Australia Pty, Ltd. Australia USANA New Zealand Limited New Zealand USANA (UK) Limited United Kingdom USANA Trading Company, Inc. Barbados USANA Hong Kong Limited Hong Kong Each subsidiary listed above is doing business under its corporate name.