Ko te tangohanga pīni soya he kai tipu tūturu i ahu mai i te pīni soya, e mōhiotia ana mō ōna uara kai me ngā painga hauora. He tino nui ngā isoflavones pīni soya, ngā pūmua tipu, ngā huaora (pēnei i te huaora E me ngā huaora B), me ngā kohuke nui (tae atu ki te konupūmā, te konupora, me te konutea). Ko ngā isoflavones pīni soya, he akomanga phytoestrogens, tētahi o ngā wāhanga hohe tino nui i roto i te pīni soya, ā, e tino whakanuia ana mō ōna āhuatanga antioxidant me te anti-pakeketanga kaha.

Kua rangahaua whānuitia ēnei isoflavones, pērā i te genistein me te daidzein, mō tō rātou kaha ki te whakakore i ngā rauropi kore utu kino i roto i te kiri, e puta pinepine mai ana i ngā taumahatanga taiao pērā i te parahanga me te hihi UV. Mā te mahi hei antioxidants, ka āwhina ngā isoflavones pīni soya ki te tiaki i ngā pūtau kiri mai i te kino oxidative, he mea nui ki te koroheketanga o mua, ngā raina angiangi, me ngā kita. Haunga ō rātou pānga antioxidant, ka whakatairangahia hoki e ngā isoflavones te whakahoutanga o ngā pūtau kiri me te tautoko i te hanga collagen, he mea nui ēnei e rua mō te pupuri i te āhua taitamariki me te ngāwari o te kiri.

Ko tētahi atu painga nui o te tangohanga pīni soya ko te nui o ngā phytoestrogens. He rite te hanganga o ēnei matū tipu ki te homoni tangata estrogen, e āhei ai rātou ki te here ki ngā kaiwhakawhiwhi estrogen i roto i te kiri, me te whai i ngā pānga pai o te homoni. I te hekenga noa o ngā taumata estrogen i te pakeketanga, inā koa i te wā menopause, ka tīmata te kiri ki te ngaro i tōna makuku, tōna ngāwari, me tōna hihiri whānui. Ka āwhina ngā phytoestrogens i roto i te tangohanga pīni soya ki te whakahoki mai i ētahi o ēnei pānga mā te whakanui ake i te makuku, te whakapai ake i te ngāwari o te kiri, tae atu ki te āwhina ki te whakaiti i te āhua o ngā raina angiangi me ngā kita.