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 When to take L carnitine: Dosage, forms, and side effects L carnitine supplements can cause a fishy odor in the breath, sweat, and urine. This is likely due to the formation of trimethylamine (TMA). TMA is also responsible for the pungent smell of L Carnitine Injection Kare Pharmacy