What Is L Carnitine? How Does It Work? L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports Carnitine supplementation promotes fat loss Meta study L carnitine is a naturally occurring compound that helps your body convert fat into energy. It's often used as a supplement for fitness, weight loss, and overall health. #lcarnitine #fitnesslife #supplements #gymaddict #gymmotivation