Amazon.com: Top Secret Nutrition Fireball Liquid L Carnitine with Paradoxine Stim Free Weight Management, Energy, & Exercise Performance 16 Ounces, 21 Servings (Cherry) : Health & Household How Does Carnitine Support Hashimoto's? Dr. Izabella Wentz New study links L carnitine in red meat to heart disease Harvard Health L Carnitine is not a magic fat burner It won't melt fat, build muscle, or replace hard work. The only thing it burns is your money Stick to the basics 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