L Carnitine L Tartrate: 8 Key Benefits Dr. Lam 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. L Carnitine Supplement: Heart Concerns Advanced Molecular Labs L Carnitine. Boost Weight Loss & Improve Heart Health The effects of L carnitine supplementation on lipid profiles in adults: A systematic review and dose response meta analysis ScienceDirect Frontiers Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update