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 L Carnitine Pure Powder Associate Professor Kaustuv Bhattacharya L Carnitine Vitamins, Minerals & Supplements Nutrients Andrew Weil, M.D. Impact of Dietary Lipids on the Reverse Cholesterol Transport: What We Learned from Animal Studies