L Carnitine: The Energy Booster Your Body Loves Turn fat into fuel and power up your recovery with one of our favorite performance vitamins. Boosts metabolism & fat burning Carnitine Synergy Superior Supplement Products Science First Designs for Health L Carnitine Injection (Intramuscular): How It Works & What to Expect Mesotherapy Cocktails, Exosomes Regenerative Skin Boosters L Carnitine for Erectile Dysfunction: What the Evidence Shows and How to Use It L Carnitine Injection Levocarnitine IV