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 The Right Way to Take L Carnitine to Boost Your Training The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions Effects of l carnitine supplementation on blood pressure: a systematic review and meta analysis of randomized controlled trials Journal of Human Hypertension