When to Take L Carnitine for Optimal Training Benefits Transparent Labs 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 When Should You Take L Carnitine? MuscleTech Cutler Nutrition Liquid L Carnitine Supplement with Acetyl L Carnitine & L Carnitine Tartrate Forms 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 L carnitine 15ML (25minutes before workout), Pre workout 25minutes before workout 1 recommended scoop ., Step 1 : Add L carnitine supplements before workout, Step 2: Add cardio after workout 15 30