Efficacy of L carnitine supplementation on frailty status and its biom CIA Dove Medical Press L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you 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 The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation A Pilot Clinical Trial on L Carnitine Supplementation in Combination with Motivation Training: Effects on Weight Management in Healthy Volunteers L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe