JYM L Carnitine L Tartrate L Carnitine, 500 mg, 30 vegetarian capsules 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 Acetyl L Carnitine Top 7 L Carnitine L Tartrate Uses for Fat Loss L Carnitine: The Energy Booster Your Body Loves Turn fat into fuel and power up your recovery with one of our favorite performance vitamins. Boosts metabolism & fat burning