Carnitine, Carnitine, Carnitine: Can you get enough from food sources? Keto Hope Foundation L Carnitine food supplement molecule Stock Image Science Source Images 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 Rebuild & Repair with Carnitine: Chronic illness? Your body needs extra nutrients to repair damage. Carnitine is a game changer for those with neurological, cardiovascular, or ocular conditions. Learn about how carnitine moves Metabolic Optimizer L Carnitine supports cellular energy production.