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 reduces ammonia levels and alleviates covert encephalopathy: A randomized trial L Carnitine 3500 Metabolic Nutrition Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports