Nutrex Research L Carnitine 3000 465ml Protein House Most people use L Carnitine wrong. They take it alongside a high carb diet expecting it to burn fat. Biologically, thats almost impossible., L Carnitine is an amino acid derivative that transports Klaire Labs SFI Health L Carnitine Tartrate 500 mg Amino Acid Stabilized L Carnitine No Synthetic Amino Acid Extreme and L Carnitine Extra Strength Combo Amino Acids Capsules Acetyl L Carnitine 500mg Belly Fat Burn Supplements 3B eBay