Should I Take Acetyl L Carnitine or L Carnitine HealthAid Amazon.com: Designs for Health Carnitine Synergy 400mg L Carnitine (from Carnitine Tartrate) + 100mg Acetyl L Carnitine Pills Non GMO + Vegetarian Supplement (120 Capsules) : Health & Household Acetyl L Carnitine Acetyl L Carnitine Capsules NOW Supplements Difference between L Carnitine and L Carnitine L Tartrate 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