USANA Health Sciences, Inc. (USANA) develops and manufactures science-based nutritional and personal care products. The Company distributes and sells its products internationally through a network marketing system, which is a form of direct selling. Its international markets include Canada, Mexico, Australia, New Zealand, Singapore, Malaysia, Hong Kong, Taiwan, Japan, and South Korea, and direct sales from the United States to customers in the United Kingdom and the Netherlands. The Company distributes and sells its products through a network marketing system, a form of direct selling, using independent distributors that it refers to as Associates. It also sells its products directly to Preferred Customers who purchase the Company’s products for personal use and are not permitted to resell or distribute the products.