SALT LAKE CITY, May 2, 2013 /PRNewswire/ -- USANA Health Sciences Inc. (NYSE: USNA), a global nutritional supplements company, has partnered with Summer Game medalists swimmer Tyler McGill ( United States) and mixed martial artist Karina Bryant (judo, Great Britain), as well as track and field star Crystal Manning (triple jump, United States). Team USANA's newest members join more than 600 world-class athletes who take USANA's NSF and HFL- tested nutritional products. (Logo: http://photos.prnewswire.com/prnh/20120807/LA53885LOGO) "USANA proudly sponsors hundreds of elite athletes around the world. To continuously expand Team USANA's roster is a testament of our high-quality nutritional supplements and Athlete Guarantee," said USANA Chief Communications Officer Dan Macuga. "We are proud to honor such decorated athletes and look forward to seeing what they accomplish in the upcoming years." Tyler McGillEarning a gold medal at the London Games in the 4x100 Medley Relay, McGill also holds a silver medal from the 2010 Pan Pacific Championships and a bronze from the 2011 World Championships. Currently training for the World Championships and 2016 Rio Games, McGill is focused on living a healthy and balanced life. "In order to have a successful career, you have to live a healthy lifestyle," McGill said. "For me, that means being able to balance my time between my family, training and most importantly my nutrition. Thankfully, USANA has helped keep me feeling my best and perform the way I want to in the pool." Karina BryantBryant, a four-time Summer Games participant, captured bronze in London, holds 21 World and European medals and was honored with the 2012 Surrey Sports Personality Of The Year award this past December. With more than 16 years of experience, the 33-year-old trains full time and is now focusing on going for gold in Rio. "My goal was to take gold in London and end my career on a high-note, but gaining bronze has given me enough confidence to train for Rio," Bryant said. "I may be older than my competition, but with the experience I have and USANA's supplements aiding my overall health, I think I can take gold." Crystal ManningAs a four-time NCAA All-American, Manning continues to dominate the track, recently taking first at the Mt. Sac Relays and Pasadena Games with marks of 13.85 meters and 13.42 meters, respectively. The triple jumper is currently ranked No. 2 in the United States on the indoor track and No. 3 outside. "I didn't like they way my health was going, so I changed it," said Manning. "My main goal this year is to stay healthy and I know that using USANA's products will help me reach my health goals."