Biological Name: Equisetum arvense
Horsetail is very rich in silicic acid and silicates, which provide approximately 2-3% elemental silicon. Potassium, aluminum, and manganese along with fifteen different types of bioflavonoids are also found in the herb. The presence of these bioflavonoids are believed to cause the diuretic action, while the silicon content is said to exert a connective tissue-strengthening and anti-arthritic action.
Used to treat:
Horsetail contains a weak diuretic chemical lending support to its traditional use as a urinary stimulant.
Horsetail is also useful for water retention.
Horsetail is an excellent astringent for the genito-urinary system, reducing hemorrhage and healing wounds thanks to the high silica content. It acts as a mild diuretic. It is also invaluable in the treatment of incontinence and bed wetting in children. It is considered a specific in cases of inflammation or benign enlargement of the prostate gland. Externally it is a vulnerary. In some cases it has been found to ease the pain of rheumatism and stimulate the healing of chilblains.