Foods High in L Carnitine for Energy and Health Marnys Red Meat Consumption and Hypertension: An Updated Review Current Cardiology Reports Springer Nature Link Amazon.com: PURE ORIGINAL INGREDIENTS L Carnitine, (100 Capsules) Always Pure, No Additives or Fillers, Lab Verified : Health & Household 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 Red Rex, L Carnitine Liquid Shots, 32 Servings Hyper Fit Supps New evidence lifts the stakes on the meat vs fish debate