USANA Health Sciences, Inc. develops and manufactures science-based nutritional and personal care products. It operates as a direct selling company in approximately two geographic regions: Americas and Europe, and Asia Pacific, which includes approximately three sub-regions: Southeast Asia Pacific, Greater China and North Asia. Its USANA Nutritionals Essentials product line includes vitamin and mineral supplements that provide a foundation of body nutrition for every age group. Its Foods product line includes low-glycemic meal replacement shakes and snack bars. Its Optimizers product line offers targeted supplements, which meets individual health and nutritional needs. Its Sense-beautiful science product line includes science-based, personal care products that support skin and hair. Its All Other product line includes materials and online tools that assists its network marketing system of independent distributors (Associates) in building their businesses and in marketing its products.