About Eyebright
A herb (Euphrasia officinalis) traditionally used for eye irritation and conjunctivitis, usually topically. Human clinical evidence for oral use in eye health is essentially absent; claims are traditional.
What Eyebright supports
- Traditional herb for eye irritation
How much Eyebright to take
The RDA prevents deficiency. The effective range is what clinical trials used to actually move the outcome.
Effective
200–600
mg
Traditional use ~200-600 mg/day; no established therapeutic dose.
Clinical evidence
Limited clinical evidence. Traditional use only; no meaningful oral clinical evidence
Reference