Morning or Evening? Best Time to Take L Carnitine LABRADA INDIA When Should You Take L Carnitine for Best Results? (Canada) Benefits of L Carnitine (especially for fitness enthusiasts):, Fat Metabolism Helps transport fatty acids into the mitochondria to be burned for energy., Improved Exercise Performance May enhance L Carnitine vs Pre Workout: Which supplement actually works better before exercise India Today Should I use L Carnitine on rest days or just before workouts?