L-carnitine supplementation in humans. The effects on physical performance.

摘要: The use of supplementary L-carnitine by athletes has become rather widespread over the recent years even in absence unequivocal results from human experimental studies that might support this practice. To justify above procedure, most commonly purported reasons are administration could hypothetically: 1. increase lipid turnover working muscles leading to glycogen saving and, as a consequence, allow longer performances for given heavy work loads; 2. contribute homeostasis free and esterified plasma muscle, allegation being levels one or more these compounds may decrease course repetitive exercise. A critical survey literature on carnitine metabolism healthy humans at exercise does not appear be available. authors opinion paper, besides shedding light into some relevant aspects energy also practical only physiologists but particularly Sport Medicine practitioners.