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USANA Health Sciences Inc., a Salt Lake City-based multilevel marketing company that sells nutritional products, said it has signed four U.S. Ski and Snowbard Association athletes as its newest "brand ambassadors." The company said it signed free skier Grete Eliassen and Nordic combined skiers Bill Demong, Bryan Fletcher and Taylor Fletcher.

USANA said it provides nutritional supplements to more than 600 elite athletes worldwide and is the Official Health Supplement Supplier of the USSA.