USANA Health Sciences, Inc. develops, manufactures, and sells science-based nutritional, personal care, and skincare products across Asia Pacific, the Americas, and Europe. It operates in two segments: Core Nutritional and Hiya Direct-To-Consumer. Its offerings include USANA nutritional optimizers for cardiovascular, skeletal/structural, and digestive health; Essentials/CellSentials vitamin and mineral supplements for age groups starting with children 13 months of age; and food products such as meal replacement shakes, snack bars, and related items for weight management, digestive health, energy, and hydration. The company also offers Celavive, a skincare regimen for various skin types and ethnicities, along with other products and online tools that support associates in building and marketing their businesses. Products are sold through retail customers, a subscription model, direct selling, and online. Founded in 1992, the company is headquartered in Salt Lake City, Utah.