Injectable vs Oral L Carnitine: Which Works Better? AWP Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. L Carnitine Is It Good or Bad for your Heart? Hammer Nutrition Injectable L Carnitine > Oral L Carnitine BUT do you REALLY need it?, , I dont think so., , L Carnitine is a medicine often prescribed by doctors to patients with heart issues., , In theory, it Role of carnitine in disease Nutrition & Metabolism Springer Nature Link The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link