Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to Amazon.com: FRONTLINE FORMULATIONS L Carnitine, Stimulant Free, Enhances Energy and Metabolism, Increased Energy and Endurance, Amazing Flavors, Veteran Owned and Operated (Blue Coconut Lemonade) : Health & Household Amazon.com: SIRENLABS L Carnitine Elite Burn Liquid Keto Fat Burner and Metabolism Activator Fat Loss Support Keto Friendly Weight Loss Increase Energy Stimulant Free Lemon Lime 3000mg (32 Servings) : Health & 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 Beneficial effects of l carnitine supplementation for weight management in overweight and obese adults: An updated systematic review and dose response meta analysis of randomized controlled trials ScienceDirect The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation