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 Levocarnitine IV Do you or someone you love smell like fish? It could be Fish Odor Syndrome! #fishodorsyndrome #fishy #fishysmell #fishodor Carnitine Blend Rootcology Is L Carnitine Safe? Watch FIRST BEFORE Taking L Carnitine Supplements Replying to @Bek I'm still going to my appointment to be on the safe s l carnitine fishy odor TikTok