Horsetail Tea is a potent herb with a long history of medicinal use. It provides an excellent source of silica, a necessary collagen producing ingredient for healthy skin, hair, nails, and bones. In Europe silica is also used to improve digestive function. Traditionally horsetail tea is used to improve bladder and kidney function, and beneficial for cystitis, prostate disease, and bed wetting in children. It is also a significant source of minerals such as calcium, magnesium, chromium, and iron.