Nutrient Tip Tuesday: Meet the Fat Burning Powerhouse: L Carnitine This essential nutrient acts as a shuttle, transporting fatty acids directly into your mitochondria to be burned for ATP (energy). Essentially, it helps your Your dog's heart works hard and L Carnitine helps fuel every beat. This natural protein like substance supports healthy heart function by helping carry fatty acids to where the body needs them most. Beworths 1500mg Acetyl L Carnitine Softgels, 120 Capsules, Brain Function, Memory, Stamina Walmart.com L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Meno Clinic Carnitine The Meno Clinic Center for Advanced Medicine L Carnitine is Underrated. New Meta Review Reminds Us Why.