l carnitine: Nutrition, pathology, and health benefits ScienceDirect Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports Frontiers Dietary L carnitine supplementation modifies blood parameters of mid lactating dairy cows during standardized lipopolysaccharide induced inflammation Is L Carnitine safe for athletes at doses up to 6000 mg day? Consensus