Acetyl L Carnitine is more thought of as a fat burner. It's actually powerful tool for athletes looking to improve endurance, energy, and mental performance. Here's how you can integrate it into your routine for Frontiers Dietary L carnitine supplementation modifies blood parameters of mid lactating dairy cows during standardized lipopolysaccharide induced inflammation L Carnitine: Benefits, Uses, Side Effects, and More Acute L Carnitine Supplementation Does Not Improve CrossFit Performance: A Randomized, Double Blind, Placebo Controlled Crossover Study