L Carnitine Supplementation in the Diabetic Heart ABC Cardiol Acetyl L carnitine & Your Brain Cognitive Vitality Alzheimer's Drug Discovery Foundation 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 Did you know L Carnitine is also in food, mainly from red meat. However, if you're mainly eating white meat, fruits and veggies, you might not be getting enough. Swipe left to see 6 Healthy Foods High in L Carnitine Carnitine Vegan Diets Sources Supplements & Deficiency