Acetyl L Carnitine Arginate 500 mg Combination of Carnitine & L Arginine Benefits Amazon.com: Benevolent L Carnitine Supplement High Potency 1500mg L Carnitine Tartrate Fast Absorbing, Convert Fat to Energy, Support Lean Muscle, Boost Workout Performance & Metabolism 120 Vegan Capsules : Health & Household When to take L carnitine: Dosage, forms, and side effects Essentials, L Carnitine + Tartrate, 120 Capsules Most people talk about carnitine like it is one supplement. It is not. Acetyl L carnitine and L carnitine L tartrate do different jobs, and picking the wrong one for the wrong goal is where people L Carnitine L Tartrate Powder (LCLT) Amino Acid Supplement Powder