Exhibit 21. Subsidiaries of the Registrant USANA, Inc. has the following wholly owned subsidiaries as of June 27, 1998: USANA Canada, Inc., an Ontario (Canada) corporation. USANA Trading Co., Inc., a Barbados corporation USANA Australia Pty Ltd, an Australian corporation USANA New Zealand Limited, a New Zealand corporation USANA Hong Kong, Inc., a Hong Kong corporation Page 1