Research Breakdown on L Carnitine Examine Fasting Promoting flesh quality and fitness through intermittent fasting and dietary L carnitine supplementation in Leiocassis longirostris ScienceDirect 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 ameliorated fasting induced fatigue, hunger, and metabolic abnormalities in patients with metabolic syndrome: a randomized controlled study Nutrition Journal Springer Nature Link