Strong evidenceantioxidant
Lutein for Blurry Vision
Increases macular pigment density, filters high-energy blue light, provides retinal neuroprotection against oxidative damage.
How strong is the research?
Strong evidence
Based on a meta-analysis of multiple studies — the highest level of research evidence.
Research source
SourceMa L et al. · British Journal of Nutrition 2012How much to take
10–20 mg
Lutein:Zeaxanthin ratio of 5:1 recommended. Take with dietary fat.