Glucoside na zuciya wani nau'in sinadari ne wanda aka samo shi daga tsirrai kuma yana da ikon yin tasiri ga aikin zuciya. Wadannan mahadi galibi suna da guba a cikin allurai masu yawa kuma suna iya haifar da kamawar zuciya ko wasu matsalolin zuciya masu tsanani. Suna aiki ta hanyar hana aikin wani enzyme da ake kira Na / K -ATPase, wanda ke da hannu a cikin tsarin daidaitawar ion a cikin ƙwayoyin tsoka na zuciya. Wasu misalan glycosides na zuciya sun haɗa da digoxin da ouabain, waɗanda ake amfani da su wajen magance raunin zuciya da sauran cututtukan zuciya.