L Carnitine and the Heart: Stephen T. Sinatra, Jan Sinatra: 9780658004124: Amazon.com: Books More than 95% of your L Carnitine stores are contained in your muscles, along with trace amounts in your blood, liver, heart and kidneys. L Carnitine is an essential amino acid that helps you According to a study published in Clinical Therapeutics, in people with type 2 diabetes and high cholesterol, taking L carnitine (1 gram twice daily) for 6 months significantly lowered lipoprotein(a) a genetic, Jarrow Formulas Acetyl L Carnitine 500 mg 60 Veggie Capsules Vitacost Spring Valley CoQ10 Plus L Carnitine Heart Health Dietary Supplement Softgels, 100 mg, 50 Count HSA FSA Eligible Walmart.com