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. Most nerve supplements look impressive on the label. Until you compare the doses to what the clinical trials actually used. As a Fellowship Trained Peripheral Nerve Surgeon with 3,000+ nerve procedures, here is CARNIMIR TABLET Buy Online at Best Price in India Health First Pharmacy How Acetyl L Carnitine Works HowStuffWorks 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.