Acetyl L Carnitine Vegetarian Capsules Natural Factors USA NOW Foods Acetyl L Carnitine 500 Milligram 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 6 Healthy Foods High in L Carnitine Carnitine Rich Foods: Understanding L Carnitine and Its Benefits Loyal