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 Amazon.com: NaturaLife Labs Acetyl L Carnitine (ALCAR) 1500 mg per Serving 100 Capsules Non GMO, Gluten Free, Vegan : Health & Household Acetyl L Carnitine Arginate 500 mg Combination of Carnitine & L Arginine Benefits 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 Buy L Carnitine L Tartrate 750mg Capsules Peak Supps UK Supplement Carnitine X2 Acetyl L Carnitine & Carnitine L Tartrate 500g & 1kg Cyborg Sport