L Carnitne, good to take when you want to burn calories and when losing weight. Very important in fat loss Take responsibly #L carnitine #gym #workouts #fat loss Pre Workout+BCAA+L Carnitine iGenetics Nutrition Combining L Carnitine with Pre Workout for Effective Fat Loss Oxyenergys L Carnitine. My go to pre post workout supplement. Pre workout I usually take it before my workout session for energy production. Post workout Ill take it the day after my workout