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 Pre Workout+BCAA+L Carnitine iGenetics Nutrition Add that l carnitine to the pre Liquid L Carnitine supports fat metabolism and energy production by helping your body turn stored fat into usable fuel. Fast absorbing, stimulant free, and zero sugar or calories, it's a great pre workout option to boost Liquid L Carnitine 3000: Metabolism & Energy Support Cutler Nutrition Can You Take L Carnitine With Pre Workout