Acetyl L Carnitine Vegetarian Capsules Natural Factors USA 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 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 Spring Valley L Carnitine Amino Acid Dietary Supplement Tablets for Heart Health, 500 mg, 30 Count HSA FSA Eligible Walmart.com L Carnitine Supplements Nature's Best L Carnitine 500mg Amino Acids