L Carnitine in Drosophila: A Review 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 Why do I take Oxyshred every day? Honestly, my days are LONG, and after work classes life, finding the energy to still show up for my workouts can be hard sometimes. OxyShred has Acetyl L Carnitine VS L Carnitine: Which is Better?