Ultra L carnitine making me reek of rotting fish for 48 hours #lcarnitine #fishy #smell #trauma #fyp Carnitine Rich Foods: Understanding L Carnitine and Its Benefits Loyal Stabilizing the enzyme in fish odor syndrome 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 Acetyl L Carnitine and Erectile Dysfunction: What the Evidence Shows L carnitine what it is, properties, effects on weight loss + opinions