L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. PCOS Nutrition Center L Carnitine (120 Capsules) PCOS Nutrition Center 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 Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn How can L Carnitine help in your Journey of Wellness? Osoaa Coenzyme Q10 200mg CoQ10 with ALA and ALCAR Nature's Lab