If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Think L Carnitine is making you lose hair? Think again. , Theres no scientific evidence linking L Carnitine to hair loss, in fact, some studies suggest it may even support hair growth by boosting Insomnia Life Extension