Lutein and Zeaxanthin are carotenoids that accumulate in the retina, where they protect against harmful light and oxidative damage. These supplements may help to reduce the risk of chronic eye diseases, including age-related macular degeneration and cataracts. Potential side effects are rare but can include skin yellowing. These supplements are typically taken orally, with dosages depending on individual health needs.
Some of the top Lutein and Zeaxanthin brands include Puritan's Pride, Nature's Bounty, and NOW. Lutein and Zeaxanthin are naturally present in various foods; supplementation may be necessary for those with a poor diet. Costs of these supplements can vary, depending largely on factors such as brand reputation and formulation.