Lutein and Zeaxanthin for Eye Health: Macular Degeneration and Blue-Light Claims
What trials and reviews found for lutein and zeaxanthin in macular degeneration, macular pigment and blue-light claims, with study amounts, safety points and why an eye exam comes first.
Content last updated . This page has not been medically reviewed.
Start with an eye exam, not a supplement
Age-related macular degeneration (AMD) is an eye disease that can blur central vision. The US National Eye Institute (NEI) says early AMD does not cause symptoms, so people should not wait for their vision to change, and that an eye doctor checks for it with a dilated eye exam. [1] Blurry or wavy areas in the central vision are among the symptoms it lists. [1] Lutein and zeaxanthin supplements are not a replacement for that exam. If you have AMD, the NCCIH advises talking with your health care providers about whether the kinds of supplements used in the AREDS and AREDS2 trials are appropriate for you. [2]What lutein and zeaxanthin are
Lutein, zeaxanthin and meso-zeaxanthin are the only carotenoids (plant pigments) found in the human macula, the small central area of the retina. [3] They are called xanthophylls. Researchers have proposed that they protect the retina as antioxidants and by filtering blue light, and that is still a hypothesis rather than a proven benefit. [3][4] For the wider family of carotenoids see Carotenoids explained.What the research found
| Question | What the source found | Label |
|---|---|---|
| Slowing progression in people who already have intermediate AMD | AREDS2 (4,203 people aged 50 to 85, median follow-up 5 years): adding lutein plus zeaxanthin to the AREDS formula did not give a statistically significant extra reduction in advanced AMD in the main analysis (hazard ratio 0.90, range 0.76 to 1.07). [5] A 10-year follow-up reported a hazard ratio of 0.91 (0.84 to 0.99) for lutein/zeaxanthin versus none. [6] A 2023 Cochrane review found they may have a similar or slightly lower risk of progression (risk ratio 0.94, 0.87 to 1.01), low-certainty evidence. [7] | Mixed; only in people with AMD |
| Preventing AMD in people who do not have it | A 2017 Cochrane review found no evidence about lutein and zeaxanthin for prevention. [8] The NCCIH says antioxidant supplements have not been shown to prevent AMD in people who do not have it. [2] | Insufficient evidence |
| Raising macular pigment (the amount of these carotenoids in the macula) | A meta-analysis of 20 trials found supplements raised macular pigment optical density in people with AMD and in healthy people. [9] Another review found no significant change below 5 mg a day of total lutein plus zeaxanthin (mostly dietary studies lasting 3 to 6 months), and larger changes at higher amounts over 3 to 12 months. [3] | Biomarker only |
| Visual function | A 2023 review of randomized trials found xanthophyll food or supplements reduced photostress recovery time, and improved visual acuity only in people with eye disease. [10] | Promising but limited |
Blue-light claims
Many labels suggest lutein and zeaxanthin "filter blue light" from screens. Here is what we could verify.- The idea that they filter blue light in the retina is described by reviewers as a hypothesis. [4]
- Proper evidence not found: we searched PubMed for trials of lutein or zeaxanthin supplements and blue light, and for evidence that they prevent eye damage from phone or computer screens. The sources we read measured macular pigment or visual performance, not screen-related damage.
- A different product, blue-light filtering glasses, was reviewed by Cochrane in 2023. It found these lenses may not reduce eye strain from computer use over short follow-up, and no trial reported on macular health. [11] That finding is about lenses, not about lutein.
Amounts: what the figures are
No official intake figure (RDA, adequate intake or upper limit) for lutein or zeaxanthin is described in the sources we read. The NIH Office of Dietary Supplements pages could not be read this session, so we do not quote one.| Figure | Population and form | Source and year |
|---|---|---|
| Lutein 10 mg plus zeaxanthin 2 mg a day (study amount, not advice) | AREDS2 participants with intermediate AMD risk, aged 50 to 85, median 5 years; outcome was advanced AMD | JAMA 2013 [5]; NEI [12] |
| Under 5 mg, 5 to under 20 mg, 20 mg or more a day of total lutein plus zeaxanthin (grouping used in the review) | Adults with healthy eyes; outcome was macular pigment, not vision | Advances in Nutrition 2021 [3] |
Where to go next
AREDS2 results in detail: AREDS and AREDS2 trial results. The formula versus single nutrients: AREDS2 formula vs lutein and zeaxanthin alone. Food sources: lutein and zeaxanthin in food and supplements.Frequently asked questions
Does lutein improve eyesight?
In healthy adults, trials mostly measured macular pigment, which is a biomarker. A 2023 review found a small improvement in photostress recovery and, for visual acuity, only in people with eye disease. [10]
Can lutein prevent macular degeneration?
Proper evidence not found that it does. A 2017 Cochrane review found no evidence on lutein and zeaxanthin for prevention, and the NCCIH says antioxidant supplements have not been shown to prevent AMD. [8][2]
Does lutein protect my eyes from screen blue light?
Proper evidence not found. Blue-light filtering is described as a hypothesis, and the Cochrane review of blue-light filtering glasses found no trial data on macular health. [4][11]
Is lutein safe for smokers?
In the AREDS2 follow-up, lutein/zeaxanthin did not significantly raise lung cancer risk, unlike beta-carotene. [6] Smokers should still ask a clinician before choosing any eye supplement.
Do I need a supplement if I have AMD?
That is a decision for your eye doctor. The NEI describes AREDS-type supplements for intermediate AMD, and the NCCIH advises consulting your providers. [1][2]
More details: evidence, limits and cautions
The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.
How to read the evidence labels
Labels used on this page: promising but limited, mixed, insufficient evidence, biomarker only (a measurement, not proof of better vision) and marketing claim.
Safety and who should ask first
- Smokers and former smokers. In the AREDS2 follow-up, lung cancer odds were 1.82 times higher with beta-carotene and 1.15 (not statistically significant) with lutein/zeaxanthin. [6] The NEI says current and former smokers should take the AREDS2 formula and avoid the AREDS formula with beta-carotene. [12] Check labels for beta-carotene and read the ATBC and CARET story.
- Medicines and other supplements. The NCCIH notes that supplements may interact with medicines or other supplements and may contain ingredients not on the label. [2] Interactions specific to lutein were not described in the sources we read. See medication interactions and ask a pharmacist.
- Pregnancy, children, kidney or liver conditions, surgery. The NCCIH says it is especially important to talk with a health care provider if you are pregnant or nursing or are considering a supplement for a child. [2] We did not find lutein-specific cautions for kidney or liver disease or before surgery in the sources we read; ask a clinician or pharmacist. See supplements before surgery.
- Quality. Two lutein beadlet formulations at the same 20 mg single dose gave different blood responses (1.8-fold difference in one measure), so products are not interchangeable. [13] See quality testing and certifications.
References
- National Eye Institute, Age-Related Macular Degeneration. Read 2026-10-22.
- National Center for Complementary and Integrative Health, Antioxidants: In Depth. Read 2026-10-22.
- Wilson et al., The effect of lutein/zeaxanthin intake on human macular pigment optical density: systematic review and meta-analysis (Adv Nutr 2021). Read 2026-10-22.
- Eisenhauer et al., Lutein and Zeaxanthin: Food Sources, Bioavailability and Dietary Variety in Age-Related Macular Degeneration Protection (Nutrients 2017). Read 2026-10-22.
- AREDS2 Research Group, Lutein + zeaxanthin and omega-3 fatty acids for age-related macular degeneration: AREDS2 randomized clinical trial (JAMA 2013). Read 2026-10-22.
- Chew et al., Long-term outcomes of adding lutein/zeaxanthin and omega-3 fatty acids to the AREDS supplements: AREDS2 Report 28 (JAMA Ophthalmol 2022). Read 2026-10-22.
- Evans and Lawrenson, Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration (Cochrane Database Syst Rev 2023). Read 2026-10-22.
- Evans and Lawrenson, Antioxidant vitamin and mineral supplements for preventing age-related macular degeneration (Cochrane Database Syst Rev 2017). Read 2026-10-22.
- Ma et al., Lutein, zeaxanthin and meso-zeaxanthin supplementation associated with macular pigment optical density (Nutrients 2016). Read 2026-10-22.
- Effect of xanthophyll-rich food and supplement intake on visual outcomes: systematic review, meta-analysis and meta-regression of randomized controlled trials (Nutr Rev 2023). Read 2026-10-22.
- Singh et al., Blue-light filtering spectacle lenses for visual performance, sleep, and macular health in adults (Cochrane Database Syst Rev 2023). Read 2026-10-22.
- National Eye Institute, About AREDS and AREDS2. Read 2026-10-22.
- Effects of formulation on the bioavailability of lutein and zeaxanthin: a randomized, double-blind, cross-over, single-dose study in healthy subjects (Eur J Nutr 2013). Read 2026-10-22.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.