Spinach is one of the richest sources of antioxidants, with one cup containing over 3,600 IU of beta-carotene, which is an antioxidant known for its anti-cancer, anti-aging properties, and heart protecting properties. Spinach also offers an abundance of the antioxidant, lutein, which is beneficial in protecting your eyes from macular degeneration and cataracts.
Prevent diabetes – Dark chocolate reduces insulin resistance. In a small Italian study, participants who ate a candy bar’s worth of dark chocolate once a day for 15 days saw their potential for insulin resistance drop by nearly half. The flavonoids, which are the antioxidants in dark chocolate, create a gas called nitric oxide that helps control insulin sensitivity.

Vitamin A and C have been connected to a decrease in the appearance of wrinkles and skin dryness. Vitamin C, specifically, is a powerful antioxidant that can help reduce the effect of oxidative damage caused by pollution, stress or poor diet. Vitamin A deficiency has also been linked to skin dryness, scaling and follicular thickening of the skin. Similarly to how free radicals damage surface skin cells, keratinization of the skin, when the epithelial cells lose their moisture and become hard and dry, can occur in the mucous membranes of the respiratory, gastrointestinal tract and urinary tract.
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