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 Inmigrantes denuncian maltratos, amenazas y precaria atencin mdica en el centro de ICE en El Paso Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications L Carnitina Natural La Fuente What are the benefits and side effects of L carnitine (Levocarnitine)? Cardiovascular risk of dietary trimethylamine oxide precursors and the therapeutic potential of resveratrol and its derivatives Hou 2024 FEBS Open Bio Wiley Online Library