Usana Health Sciences, Inc., or USANA, is a Utah-based multi-level marketing company that produces various nutritional products and nutraceuticals. Usana products, most of which are manufactured at the company’s West Valley City facility, are sold in 20 countries via a network of independent distributors (referred to as "associates"). Usana is the 24th largest multi-level marketing company in the world. The company has sponsored and provided products to several athletic organizations. In 2007, several of Usanas executives were discovered to have made false statements in their resumes. Usana was founded by immunologist and microbiologist Myron Wentz. Usana, based in West Valley City, Utah, sells its products through multilevel marketing: distributors recruit and profit from other distributors. The products are not available through retail channels, but instead can only be obtained through one of its independent distributors (referred to as "associates") or by direct order through the company. At the end of 2014, The company had 349,000 active associates and 81,000 active "Preferred Customers" in its worldwide distribution network. In 2012, 91% of product sales was purchased by associates As of 2013, its products are marketed in the United States, Canada, Australia, New Zealand, United Kingdom, Netherlands, Japan, Hong Kong, Taiwan, South Korea, Singapore, Mexico, Malaysia, Philippines, France, Colombia and Thailand.