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 Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn 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 L Carnitine Facts Boosts Energy Helps your body convert stored fat into usable energy, making it great before workouts or for an afternoon pick me up. Supports Fat Burning Works with