Botanical Overview
Eyebright (Euphrasia officinalis) belongs to the Scrophulariaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. The figwort family (Scrophulariaceae) includes herbs and shrubs with alternate or opposite leaves and two-lipped, often showy flowers. The fruits are typically capsules with many small seeds. Many species contain iridoid glycosides and cardiac glycosides with medicinal properties.
General Description
Euphrasia officinalis, also known as eyebright or eyewort, is a species of plant in the family Orobanchaceae.
Family Context
The Scrophulariaceae family is widely distributed. Notable medicinal members include:
- Scoparia dulcis — 56 documented uses
- Chinese Foxglove — 53 documented uses
- Mullein — 50 documented uses
- Common Speedwell — 24 documented uses
Traditional Uses
Eyebright has been traditionally used for digestive health, metabolic and nutritional health, and immune system support.
Digestive health.
- Laxative
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.
Metabolic and nutritional health.
- Tonic
Metabolic applications include consuming the plant as a food, fresh juice, or herbal infusion. Regular use supports the body’s natural metabolic processes and nutritional status.
Immune system support.
- Cancer
Immune support involves taking the herb as a decoction or tincture over extended periods. The active compounds stimulate immune cell activity and provide antimicrobial protection.
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