What's the Difference Between CLA and Carnitine? L Carnitine: What it's used for, benefits and how to take it correctly Justloading Body odour isnt just about deodorants or perfumes it starts from within. The food you eat plays a powerful role in balancing your bodys natural scent, keeping you fresh, confident and healthy. Try TMAU: Diet to reduce a fishy odour Dietitian's Life L Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review 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.