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. Brain carnitine deficiency causes nonsyndromic autism with an extreme male bias: A hypothesis Beaudet 2017 BioEssays Wiley Online Library Usefulness of Carnitine Supplementation for the Complications of Liver Cirrhosis Carnitine Acylcarnitine Translocase Deficiency Disorder DoveMed When to take L carnitine: Dosage, forms, and side effects Acetyl l carnitine deficiency in patients with major depressive disorder PNAS