From the Manufacturer:Lutein and zeaxanthin help shield the eye's retina from damage by supporting healthy macular pigment density. Source Naturals ZEA-TEIN 20/20™ provides lutein and zeaxanthin, sourced from the marigold flower. These important carotenoid pigments aggregate in the retina and provide protection from the damaging effects of free radicals and ultraviolet light. Clinical studies suggest that this lutein and zeaxanthin dosage can support healthy macular pigment density, visual processing speed, and reaction time. Preliminary evidence also indicates that lutein supplementation may help support health cognitive performance.*
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.