USANA is a health and wellness company that develops and manufactures nutritional supplements, healthy foods and personal-care products, selling them directly to Associates and Preferred Customers through a global direct-sales network. Founded in 1992 by microbiologist and immunologist Dr. Myron Wentz, the company combines cellular science with in-house research and manufacturing, and employs nearly 1,700 team members. Kevin Guest returned as chief executive in January 2026.
The company's scientific work spans cellular science, nutritional science, microbiology, immunology, product research and development, precision manufacturing and quality assurance. Its portfolio covers vitamins and supplements intended to support energy, immune, digestive, heart, bone and joint, brain and nerve, eye and healthy-weight needs, alongside healthy foods and a personal-care line. Products carry a potency guarantee.
USANA operates manufacturing facilities in Salt Lake City, Utah, and serves 25 markets and millions of customers worldwide. It has been in operation for more than 30 years, with stated emphasis on international growth, branding and product research.
