USANA Health Sciences, Inc. develops, manufactures, and distributes nutritional and personal care products. It offers two product lines, USANA Nutritionals and Sense. The USANA Nutritionals product line comprises essentials, which include vitamin and mineral supplements that provide a foundation of nutrition for various age groups; optimizers that are designed to meet individual health and nutritional needs; and macro-optimizers comprising low-glycemic functional foods and other related products. The Sense product line includes science-based personal care products that support skin and hair by providing nourishment, moisturization, and protection. Its products include perfecting essence, gentle daily cleanser, hydrating toner, daytime protective emulsion, eye nourisher, night renewal, serum intensive, rice bran polisher, creme masque, revitalizing shampoo, nourishing conditioner, firming body nourisher, energizing shower gel, and intensive hand therapy. The company also develops and sells materials and online tools; and provides reprints of other commercial publications. It sells and distributes its products through independent distributors in the United States, Canada, Mexico, Australia, New Zealand, Hong Kong, Japan, Taiwan, South Korea, and Singapore. USANA Health Sciences, Inc. was founded in 1992 and is headquartered in Salt Lake City, Utah.