Liquid L Carnitine Energy, Metabolism & Fat Burning 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 Tablets for Energy Support Nature's Bounty L Carnitine #1 Non Stimulant Fat Burner Testosterone Boost, Liver Support w NAC, Estrogen Blocker, N Acetyl Cysteine eBay