Investigating the Association between Low Trimethylamine N Oxide Level TACG Dove Medical Press Do you or someone you love smell like fish? It could be Fish Odor Syndrome! #fishodorsyndrome #fishy #fishysmell #fishodor Potential Adverse Effects of L Carnitine Marnys Does L carnitine cause fishy body odor? Surprising Truth and Solutions Tonum Trimethylamine N Oxide: The Good, the Bad and the Unknown 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