EyeProtect Basics without zinc contains the key antioxidants vitamin C, vitamin E, lutein and zeaxanthin to support healthy vision and the integrity of the eye. A large randomized, double-blind, placebo-controlled clinical trial involving 3,600 individuals indicates that these nutrients are critical to maintain the health of the retina and macula. EyeProtect Basics contains clinically-researched levels of these nutrients in optimally bioavailable forms.