L Carnitine Linus Pauling Institute Oregon State University Acetyl L Carnitine MRM Amino Acids L Carnitine Fumarate, 180 Veggie Caps (500 mg per Veggie Cap) Acetyl L Carnitine 500 mg ALCAR Amino Acid Supplement Vegan Capsul MOTHER NATURE SUPPLEMENTS If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.