Health is a matter of science at USANA Health Sciences. The company makes nutritional, personal care, and weight management products, selling them through a direct-sales network marketing system of more than 250,000 independent distributors (or associates). USANA Health Sciences also sells directly to 64,000 customers deemed preferred. USANA's associates operate throughout North America, as well as the Asia/Pacific region. The company's products portfolio includes nutritional supplements (76% of sales) and foods (12%) sold under the USANA brand and a line of skin and hair care products (9%) marketed under the Sensé label. Chairman Myron Wentz owns more than 50% of the company he founded.