Check the listing for details. Grether's Black Currant Pastilles, 15 oz. Condition: New. Listed at 54.99 USD. Throat-soothing and palate-pleasing, these candies date back to 1930, but they have many current fans, including former President Clinton. Made with glycerin and vitamin C, they satisfy a sweet tooth, moisten a dry mouth, and can even ward off colds.They contain a high quality glycerin which helps keep the mouth and throat moist, protected, and soothed. Agar-Agar (derived from dulse) lends the pastille their silky consistency while the natural extracts of fruit give Grether`s Pastilles their great taste. Before the pastilles are packaged into the classic gold Grethers tins, they must be allowed to ripen for three months.Grether`s Pastilles are recommended for hoarseness, sore throats, croaky voice and dry mouth. People who have to use their voice a lot, e.g. through singing or extensive talking, benefit particularly from the calming, soothing and nourishing effect of Grether`s Pastilles.