USANA is the official supplier of US & Canadian Speed Skating Teams, WTA Tour (World famous women tennis players) and many other professional teams, and offers up to $1 Million Athlete Guarantee 
For more than 15 years, athletes from around the globe have trusted USANA nutritional supplements to increase their energy levels and maintain their health.* USANA's team of highly trained scientists follow Good Manufacturing Practices to ensure the safety and quality of each product, products that have been proven so safe, effective, and free of contaminants that renowned organizations such as U.S. Speedskating, Speed Skating Canada, Biathlon Canada, the elite athletes of the WTA Sony Ericsson Tour and a myriad of other professional athletes worldwide trust their health to USANA.
“USANA products allowed me to fulfill my lifelong dream of becoming an Olympic Champion."
- Derek Parra, 2002 Olympic gold medalist & world record holder in speedskating 
“USANA products help ensure that I maintain optimal health and sustain my energy levels as a professional skier."
- Jennifer Heil, 2006 Olympic gold medalist & four-time World Cup Champion
“Without the help of USANA products I could never have summitted Mt. Everest.”
- Werner Berger, Canadian Businessman, oldest North American to ever summit Mt. Everest