If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians L Carnitine for Weight Loss: How It Works, Dosage & Best Supplement Zeelab Pharmacy L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Any science about taking l carnitine, good bad beneficial? Asking for a friend.