Bricker Labs CARNIBLAST Liquid L Carnitine 3000mg plus GBB 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 MusclePharm L Carnitine 3000 by MusclePharm: Lowest Prices at Muscle & Strength A cosa serve la carnitina? Dosaggio e controindicazioni