Botanical Overview
Field Horsetail (Equisetum arvense) is a flowering plant in the Equisetaceae family. This plant has earned a place in traditional medicine through its consistent therapeutic benefits, recorded across multiple cultures. This species belongs to the Equisetaceae family, a group of flowering plants.
General Description
Like all horsetails, it is a type of fern. It is native throughout the arctic and temperate regions of the Northern Hemisphere. It has two distinct growth forms, a fertile spore-bearing stem and a sterile green stem. It is sometimes confused with mare’s tail, Hippuris vulgaris.
Family Context
The Equisetaceae family is widely distributed. Notable medicinal members include:
- Horsetail — 18 documented uses
Traditional Uses
Field Horsetail has been traditionally used for digestive health, skin and wound care, and urinary tract health, among other applications.
Digestive health.
- Carminative
- Diarrhea
- Dyspepsia
For digestive complaints, the herb is typically prepared as a tea or decoction taken before meals. The bitter compounds stimulate digestive secretions and improve nutrient absorption. Some traditions use the powdered root or leaves in small doses as a stomachic tonic.
Skin and wound care.
- Sore
- Wound
For skin conditions, the fresh or dried plant is applied topically as a poultice, wash, or compress. A strong decoction can be used to clean wounds and sores. The antimicrobial properties help prevent infection while promoting tissue repair.
Urinary tract health.
- Diuretic
- Kidney
- Bladder
- Gravel
Urinary tract applications typically involve drinking the herb as a mild tea, which increases urine production and helps flush the urinary system. It may be combined with other demulcent herbs to soothe irritated tissues.
Active Compounds
Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Flavonoid: antioxidant compounds that protect cells from oxidative damage
- Sterol: cholesterol-like compounds with anti-inflammatory properties
- Alkaloid: nitrogenous compounds with diverse pharmacological activities