L Carnitine as Pre Workout Supplement: Guide The Science of Good Health can i take l carnitine without exercise TikTok Shop 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 What Does L Carnitine Do In Pre Workout? Does anyone recommend any good pre workout L carnitine liquid supplements that gives you a massive pump during workouts and a good energy boost