Korres Candies with aromatic herbs Honey and sweetener from the Stevia plant Korres candies with essential oils of aromatic herbs and honey for irritated throats and coughs, inspired by the first KORRES product, a throat syrup based on the warming rakomelo that Grandpa Korres used to make with thyme, fennel and honey. Steviol glycosides from the Stevia plant are used as a natural sweetener as a sugar substitute.