Are L Carnitine and L Carnosine the Same? Anti Aging Systems Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that L Carnitine Vitamin Supplement for Energy and Metabolism Boost L Carnitine Facts Boosts Energy Helps your body convert stored fat into usable energy, making it great before workouts or for an afternoon pick me up. Supports Fat Burning Works with How Much L Carnitine Should I Take? A Guide The Science of Good Health