Clinical Effects of L Carnitine Supplementation on Physical Performance in Healthy Subjects, the Key to Success in Rehabilitation: A Systematic Review and Meta Analysis from the Rehabilitation Point of View Lack of Effect of L Carnitine Supplementation on Weight Gain in Very Preterm Infants Journal of Perinatology Acute L Carnitine Supplementation Does Not Improve CrossFit Performance: A Randomized, Double Blind, Placebo Controlled Crossover Study 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 LCarnitine Research & Benefits Studies & Scientific Use The Association of Serum L Carnitine Concentrations with the Risk of Cancer in Chinese Adults with Hypertension