Is L Carnitine safe for athletes at doses up to 6000 mg day? Consensus L carnitine: Good for diet & muscle building? Feelgood Shop L CARNITINE increases muscle mass, reduces fat mass. Bangkok Hospital Headquarter L Carnitine: Benefits, Uses, Side Effects, and More The benefits of L Carnitine in sports SPONSER SPORT FOOD AG Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to