This combo is. L Carnitine helps your body use fat as fuel Creatine fuels strength, power, and performance A stronger, more efficient body! Educational purposes only. Not medical advice. Christine Taking a preworkout AND carnitine? It is important to get the timing of each supplement right to get the best results with both. Watch as Phil explains the best way to combine them. , #preworkout Creatine & Acetyl L Carnitine Energy Plus Swanson Vitamins Allergy Research Group , Acetyl L Carnitine 500 mg 100 Capsules AllMax Nutrition L Carnitine by AllMax Nutrition: Lowest Prices at Muscle & Strength Taurine and L Carnitine: The Ultimate Supplement Duo