Tani waa walax jir ahaaneed oo firfircoon oo ka qarsoon jidhka oo waa metabolite oo ay weheliso sulfur-ku wajahan methonie amino amino amino aminosine-ka ugu weyn ee tamar-tafaalka ee anonesomehosphate (ATP). Isku mid ayaa ku jira dhammaan unugyada iyo dareeraha jirka bini aadamka waxayna door muhiim ah ka ciyaaraan joogtaynta carjawda wadajirka ah iyo soosaarka neurotransmitters ee maskaxda. Intaas waxaa sii dheer, sidaas oo kale ayaa leh dalabyo kala duwan oo caafimaad, sida hagaajinta cagaars fayras leh cagaarshow cagaarshow, oo ah cudurka beerka ee aalkolada leh, iyo cholestasis-ka qalliinka ka dib ee cudurka kansarka beerka.