Can Carnitine Synergy Support Energy and Brain Fog in Long COVID and ME CFS? RTHM 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. Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo Acetyl L Carnitine 500 mg