Antioxidants and nutrients that help to neutralize the free-radical damage to your body brought on by the stress of exercise. It works on the cellular level. A portion of the exhaustion and soreness all athletes report is due to, on a cellular level, energy production systems being overwhelmed and free-radical damage to their body
http://www.youtube.com/watch?v=UNy5qi1s1Dk&feature=c4-overview&list=UUqKG1bsJi-VwHRYTFkIxYbg&noredirect=1