L Carnitine for Fat Loss: The Science Backed Secret to Shredding Safely When you take your pre workout matters #caffiene #preworkout 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 Liquid L Carnitine Hosstile Fat Metabolism, Endurance & Recovery Pre Workout+BCAA+L Carnitine iGenetics Nutrition