Risks and benefits of carnitine supplementation in diabetes. Semantic Scholar Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Carnitine: the claims and why it may not work Risks and benefits of carnitine supplementation in diabetes. Semantic Scholar L carnitine tartrate supplementation in the fight against infectious disease