This Hair is bright provide the Ji Shi Long phase take Ye No need the Tam heart have side effect etc., hypoglycemic effect Group with Gifted Iso close object. The characteristic that this Hair bright Jiang Xue Tang Group closes object contains Come from Jin He Huan Genus Trees skin Wu Quality in what.本發明提供即使長期服用也無需擔心有副作用等的、具有優異的降血糖作用的組合物。本發明的降血糖組合物的特徵在於含有來自金合歡屬樹皮的物質。