Tuna contains omega-3 fatty acids that fight UV-related cell damage and are a rich source of niacin, a deficiency of which causes skin rashes.
Black currants contain a compound called anthocyanosides, which can help improve vision. Additionally, this superfood contains five times the vitamin C that oranges do, making it a superb immunity booster.
Wheat germ is rich in zinc, which plays a crucial role in the production of new skin cells. It also has anti-inflammatory properties to help prevent eczema; recent studies even indicate that wheat germ can help reduce acne. Get half a cup of wheat germ per day for your daily dose of zinc. Try sprinkling it over salads and yogurt or adding it to smoothies.