Should I use L Carnitine on rest days or just before workouts? Saw Palmetto Vegavero L Carnitine Supplement Vegan Pre Workout With Choline, Chromium & Green Coffee Extract, 120 Caps Does anyone recommend any good pre workout L carnitine liquid supplements that gives you a massive pump during workouts and a good energy boost I get asked so many questions about my pre workout combo, so here it is! I take Oxyshred + Acetyl L Carnitine. This combo gives me the energy I need to crush my workouts The Right Way to Take L Carnitine to Boost Your Training