USANA Health Sciences, Inc. develops, manufactures, and sells science-based nutritional and personal care products. The company offers USANA nutritional products that comprise essentials/CellSentials, such as vitamin and mineral supplements that provide a foundation of total body nutrition for various age groups; optimizers comprising targeted supplements that are designed to meet cardiovascular, skeletal/structural, and digestive health needs; and foods that include meal replacement shakes, snack bars, and other related products, which provide macro-nutrition. It also provides Celavive, a skin care regimen for various skin care types and ethnicities; and other products for prenatal, infant, and young child age groups. In addition, the company offers materials and online tools to assist associates in building their businesses, as well as in marketing products. It offers its products directly in the Asia Pacific, the Americas, and Europe, as well as online. USANA Health Sciences, Inc. was founded in 1992 and is headquartered in Salt Lake City, Utah.