Didn't another study show carnitine was good for the heart? 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 Boost L Carnitine for Men's Stamina and Energy Naturally LABRADA INDIA Effectiveness of Propionyl L Carnitine Supplementation on Exercise Performance in Intermittent Claudication: A Systematic Review Cureus A systematic review about prophylactic L carnitine administration in parenteral nutrition of extremely preterm infants Amazon.com: Nutrex Research L Carnitine 3000 (31 Servings, Berry Blast) Liquid Shots, Stimulant Free Supports Muscle Recovery For Men and Women : Health & Household