Amazon.com: Yes You Can! Extra Strength Liquid Fat Burner Accelerate Metabolism, Natural Ingredients L Carnitine, Chromium, Apple Cider Vinegar, Lemon Juice (4 Bottles) : Health & Household 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 Elevate your vitality and conquer your day with L carnitine your partner in maintaining boundless energy production, while supporting overall health and wellbeing. Acetyl L carnitine (ALCAR) is naturally produced by the body that L Carnitine Benefits: A Complete Research Based Guide