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 Should I use L Carnitine on rest days or just before workouts? When Should You Take L Carnitine for Best Results? (Canada) When Should You Take L Carnitine? MuscleTech L Carnitine vs Pre Workout: Which supplement actually works better before exercise India Today