Total L Carnitine food sources (per 100 gm) Non vegetarian: Beef steak, cooked: 56 162 mg (depending on cuts and cooking) Ground beef, cooked: 75 86 mg Pork, cooked (100 gm): 25 61 mg Mutton (leg, New study links L carnitine in red meat to heart disease Harvard Health They keep telling you to eat less red meat But the reality? US per capita consumption of beef has fallen 34% since 1970 with ZERO health benefits to show for it. Here's L Carnitine Dosage Explained: A Complete Guide The Science of Good Health What is Acetyl L Carnitine? Steak Nutrition and Maintaining a Healthy Diet