Provided is a sweetener composition that exhibits a natural sweetness without any strange taste. This sweetener composition comprises inositol and at least one intense sweetener selected from the group consisting of siraitia grosvenorii extract, stevia extract, thaumatin, glycyrrhiza uralensis extract, glycyrrhizin, phyllodulcin, monellin, aspartame, sucralose, saccharin, neotame, acesulfame potassium and cyclamate.提供一種呈現無不協調感之自然的甜味質之甜味料組成物。本發明相關之甜味料組成物,係含有選自包含羅漢果萃取物、甜菊萃取物、索馬甜、甘草萃取物、甘草素、葉甜精、莫內林(monellin)、阿斯巴甜、蔗糖素、糖精、紐甜(neotame)、醋磺內酯鉀(acesulfame potassium)、環己胺磺酸鹽(cyclamate)之群組的任意之1種類以上的高甜度甜味料、與肌醇。