Naturally Contain Zeaxanthin. 1 Per Day Softgel. Supports Eye Health. Rapid Release Liquid Softgel. Clinically Studied Ingredient For Healthy Vision. There's nothing more important than your health especially your eye health. lutein is not produced by the body and must be obtained from dietary sources therefore it may be beneficial to take a daily Lutein supplement. Lutein is a clinically studied ingredient for eye health and just 20 mg of Lutein a day can improve the eyes sensitivity to low contrast situations. This improvement plays a key role in night vision.