examine.com l-carnitine The bright and the dark sides of supplementation: a systematic review | Journal of the International Society of Sports Nutrition Carnitine: the claims and why
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However, children should not be given carnitine supplements meant for adult use

H., Campistol, J., Marti-Herrero, M., Caswill, M., Burlina, A
Levocarnitine clears the acylCoA compound by formation of acylcarnitine, which is quickly excreted

Carnitine could be involved, since the carnitine content in the tissue decreases with age, thereby reducing the integrity of the mitochondrial membrane

G., Melis, A., Piga, M., Marchionni, A., and Calvani, M