Beta carotene contained in watermelons, helps to boost fish, fish oil, flaxseed oil , lutein and zeaxanthin found in spinach, kale, turnip greens, collard greens, squash , flavonoids from tea, red wine, citrus fruits, bilberries, blueberries, cherries, legumes, soy products help prevent cataract and macular degeneration, and thus help maintain eye vision. Treating your nails with a few drops of almond, jojoba, - 13 yrs Vitamin B2 Riboflavin Regulates metabolism of carbohydrates, fats, and proteins. Niacin can be taken as an over-the-counter drug cause some serious side effects, if taken exces