L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute Kelly lives with a rare condition called Trimethyla Minuria meaning she always smells of fish #truly #borndifferent #rarecondition #metaboliccondition #bodyodor #selfconfidence #nightshift #fyp 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 Get Rid of Fishy L Carnitine Smell: Essential Fixes Tonum