Blink NutriTears Clinically Proven Supplement for Dry Eyes targets the key root causes of dry eyes to promote healthy tear production. It is formulated with a unique blend of ingredients including lutein zeaxanthin curcumin and vitamin D. This supplement provides noticeable continuous relief from dryness so your eyes can work as hard as you do with every blink. It also nourishes eyes to promote healthy tear production helping your eyes stay hydrated 33% longer* (*based on day 28 of a clinical study). Blink has a range of products to meet your eye and contact lens care needs from drops and a supplement to hydrate dry eyes to contact lens drops to keep your contacts clean and hydrated.