Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield L Carnitine: What it's used for, benefits and how to take it correctly Justloading What's the Difference Between CLA and Carnitine? 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 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.