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 L Carnitine and Sleep: Does It Affect Rest or Sleep Quality? Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Acetyl L Carnitine: Benefits and Side Effects Gene Food A carnitine transporter at the bloodbrain barrier modulates sleep via glial lipid metabolism in Drosophila PNAS Carnitine: the claims and why it may not work