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 tartrate supplementation in the fight against infectious disease The effects of L carnitine supplementation on lipid profiles in adults: A systematic review and dose response meta analysis ScienceDirect Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Serum L Carnitine Levels Are Associated With First Stroke in Chinese Adults With Hypertension Stroke