If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. Safety, Tolerability and Symptom Outcomes Associated with l Carnitine Supplementation in Patients with Cancer, Fatigue, and Carnitine Deficiency: A Phase I II Study ScienceDirect 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 Powder Fitness Support NOW Foods