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 vs Creatine Fat Loss or Muscle Gain? GreenOpia India GreenOpia Naturals 6 Benefits of L Carnitine Injections MedHealth 360 Can I take L carnitine during water fasting? : r fasting 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.