Dr Shishir Gupta Think L Carnitine is making you lose hair? Think again. There's no scientific evidence linking L Carnitine to hair loss, in fact, some Instagram 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 Frontiers Effects of the ketogenic diet on skinpotential benefits and risks Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports