Research on Mt. Everest climbers is adding to the evidence that an amino acid called leucine — found in foods, dietary supplements, energy bars and other products — may help people burn fat during periods of food restriction, such as climbing at high altitude, while keeping their muscle tissue.
http://www.redorbit.com/news/health...pare-muscle-tissue-during-exercise/index.html
http://www.redorbit.com/news/health...pare-muscle-tissue-during-exercise/index.html