Carnitine: the claims and why it may not work Amazon.com: Allergy Research Group Acetyl L Carnitine 500mg Supplement Metabolism and Energy Support, ALC, Free Form Amino Acid, Vegetarian Capsules 100 Count : Health & Household L Carnitin Liquid Lime 500 ml bottle Ever heard of L Carnitine? , It helps your body turn fat into energy, boosts endurance, and speeds up recovery. , You can find it in liquid or capsules (I prefer liquid 1100mg or 3000mg)., If What even is carnitine?? Carnitine is a "conditionally" essential amino acid that becomes essential during pregnancy. What does this mean? You must get carnitine through food! The best sources are red What Is L Carnitine? How Does It Work?