Metabolism: This product can be a metabolite of tramadol. Tramadol is metabolized within the liver through the enzyme CYP2D6 to type O-DSMT. This metabolite has a longer half-lifetime than tramadol, resulting in extended effects.O-Desmethyltramadol far more usually often known as O-DSMT is undoubtedly an opioid analgesic, generally known as the act