Ma'anar ƙamus na bioflavonoid (wanda kuma aka rubuta a matsayin bioflavonoid ko flavonoid) wani nau'in sinadari ne na halitta wanda ke faruwa a zahiri a cikin tsire-tsire, 'ya'yan itatuwa, da kayan marmari. Bioflavonoids an san su don maganin antioxidant da abubuwan hana kumburi kuma galibi ana amfani da su azaman kari na abinci don tallafawa lafiyar gaba ɗaya da lafiya. Wasu nau'ikan bioflavonoids na yau da kullun sun haɗa da quercetin, hesperidin, da rutin. An yi imanin cewa waɗannan mahadi suna da fa'idodin kiwon lafiya iri-iri, kamar rage haɗarin cututtukan zuciya, haɓaka aikin rigakafi, da haɓaka lafiyar fata.