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Oysters contain more zinc per serving than any other food, but red meat and poultry provide the majority of zinc in the American diet. Other good food sources include beans, nuts, certain types of seafood (such as crab and lobster), whole grains, fortified breakfast cereals, and dairy products [2,11].
All beans and legumes are sources of zinc and copper, but the beans with the highest concentrations of both are adzuki and black beans. Adzuki beans, small red-brown beans often used in Asian main dishes and desserts, provide 9.9 milligrams of zinc and over 2,000 micrograms of copper per cup.