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 Frontiers Dietary L carnitine supplementation modifies blood parameters of mid lactating dairy cows during standardized lipopolysaccharide induced inflammation What Is Carnitine and Why Is It Important? The Amino Company Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect