Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield What is Carnitine? Is L Carnitine Safe? Watch FIRST BEFORE Taking L Carnitine Supplements Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish. L Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review Carnitine HealthyPlace