Zeaxanthin for Eye Health
A concise guide to zeaxanthin, its relationship with lutein, dietary sources and evidence boundaries.
Zeaxanthin is a carotenoid closely related to lutein. Both occur in the retina and lens and are common ingredients in eye-nutrition products.
Why the pair appears together
NEI describes lutein and zeaxanthin as carotenoids that may act as natural antioxidants and absorb high-energy blue and ultraviolet light in ocular tissues. AREDS2 used them together in a defined formulation.
Read beyond the ingredient name
When comparing products, look at amount per serving, the rest of the formula and whether claims concern general nutrition or a diagnosed condition.