Strong evidenceantioxidant
Astaxanthin for Blurry Vision
Accumulates in macular tissue as carotenoid, reduces eye fatigue, protects retinal cells from photooxidative damage.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
Research source
Effects of astaxanthin on accommodation and asthenopia · 2002How much to take
6–12 mg
Take with meals containing fat. Effects accumulate over weeks.