Question: what is the best supplement to improve eyesight?
Answer: Lutein and zeaxanthin. Lutein and Zeaxanthin are carotenoids. ...  Zinc. Also found naturally in your eyes, zinc is a powerful antioxidant that protects against cell damage. ...  Vitamin B1 (thiamine) Vitamin B1 is essential for the health of your eyes. ...  Omega-3 fatty acids. ...  Vitamin C.