Zinc is the second most abundant trace mineral in the human body. Six Noank Oysters contain 52 mg of zinc or 472% of our Daily Value. That’s the most of any naturally occurring food. Beef is a distant second at 15mg for a 5-ounce serving or 140% DV. Zinc is critical for immune system health, wound healing, cell division, and forming of DNA and proteins. Zinc is also critical to the production of testosterone in men. Oysters are high in Omega-3 fatty acids, vitamin B-12, selenium (a powerful antioxidant), vitamin D, and iron.