Summary
-
What are lutein and zeaxanthin?
Lutein and zeaxanthin are antioxidant pigments found in the macula of the eye (in the retina) and are believed to protect the macula from damage (see What It Is). -
What are the health benefits of lutein and zeaxanthin?
On average, people don't consume enough lutein and zeaxanthin in their diets and/or have low levels of lutein in their blood or low macular pigment density; for them, taking a lutein supplement may slow the progression of age-related macular degeneration (although it won't improve the condition). It may also reduce the risk of needing cataract surgery and improve some aspects of brain function (see What It Does). -
AREDS:
Other ingredients, particularly zinc and vitamin C, may provide additional benefit in slowing the progression of age-related macular degeneration (see AREDS). Two formulas with these ingredients were tested and reviewed: Bausch & Lomb PreserVision AREDS2 and Systane I-Caps. In addition, we assessed the ingredients in vision supplements that were not tested including Bausch + Lomb Ocuvite, EyePromise AREDS 2 Plus, GNC Eye Health Formula, Lipotriad Visionary, Ortho Molecular Products 4Sight, TwinLab OcuGard Plus, Nutrilite Vision Health, and USANA Visionex DS. -
What did CL's tests of vision supplements show?
Our tests showed that most products contained the lutein and zeaxanthin they claimed to provide, but one product had much higher amounts than claimed (see What CL Found). 
Which vision supplements with lutein and zeaxanthin products are best?
We chose a Top Pick lutein supplement and a Top Pick AREDS2 supplement based on our test results, product ingredients and formulas, supporting clinical evidence, and value.-
How much lutein and zeaxanthin should I take?
A dose of 10 mg of lutein appears to be better than a lower dose (6 mg). Higher dose products (e.g., 20 mg to 40 mg) are common, although it is not known if a higher dose is better. Nevertheless, 20 mg has been shown to be safe in a 6-month study (see Dosage). To enhance absorption, it is best to take lutein and zeaxanthin supplements with a fatty meal, but be aware that consumption of certain foods and supplements may decrease absorption of lutein and zeaxanthin (see Concerns and Cautions). In addition, try to eat at least one orange per week and have fish at least once a week, as these are also associated with a reduced risk of AMD. -
How much do lutein and zeaxanthin cost?
Lutein and zeaxanthin at a reasonable dose (10 to 20 mg) can be obtained for as little as about 10 cents per day (see What CL Found).
