L Carnitine drink powder 150 g BioTechUSA Amazon.com: NOW Foods Supplements, L Carnitine (L Carnitine Tartrate) Pure Powder, Boosts Cellular Energy, Amino Acid, 3 Ounce : Health & Household NOW Foods L Carnitine Liquid with Vitamin B12 Support Swanson Vitamins Foods High in L Carnitine for Energy and Health Marnys NOW Foods L Carnitine 1000 mg, 50 Tablets Walmart.com What is L Carnitine? L Carnitine is a naturally occurring amino acid derivative that the human body can synthesize itself. It is mainly found in red meat and dairy products. [1] Core Benefits of