Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Potential Adverse Effects of L Carnitine Marnys Force Factor L Carnitine Liquid Orange 3 000 mg 16 fl oz (473 ml) Macy's Both taurine and L carnitine play roles in muscle function, and their combination could potentially enhance muscle health, recovery and weight management. Dr. Thacker breaks down the differences of taurine and L carnitine in The Right Way to Take L Carnitine to Boost Your Training