The dosing in this study was 100 mg iron and 200 mg vitamin C. Promoting Eye Health Some research suggests that vitamin C may reduce the risk of age-related macular degeneration (AMD).

Active ingredient(s): vitamin A 750 mcg (83% DV), vitamin C 100 mg (111% DV), biotin 2,500 mcg ... that allows you to pick and choose which supplements you want to add to your daily routine.

Maybe some C. A protein shake ... This is a water-soluble vitamin, which means you just pee out the excess, says Rosenbloom. The upper tolerable limit is 100 mg day, and in pill form it's easy ...