A tincture is a liquid extract made to extract the active ingredients from the herbs. A tincture can be made of a single herb or a combination of herbs.  Tinctures are used for a variety of ailments and health concerns, such as sleep difficulties, migraines, nerve pain, sweating, menstrual cramps, and for colds. Herbal tinctures are used because of their fast absorption and because of their long-shelf life