L Carnitine Tartrate New Roots Herbal Protocol for Life L Carnitine 500 mg Klaire Labs SFI Health L Carnitine Tartrate 500 mg Amino Acid Stabilized L Carnitine No Synthetic D Carnitine 60 Capsules L Carnitine is a naturally occurring amino acid found mostly in meat and dairy products. It serves several functions in the body, primarily related to the production of cellular energy. L Carnitine L Tartrate ( L Carnitine L Tartrate Tablets Dietary Supplement for Low Blood Levels of Carnitine Highly Effective, Long Shelf Life, Recommended Dosage as per Physician Advice, Store in Cool and Dry Place L Carnitine L Tartrate Powder from Carnipure