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Phytatesâwhich are present in whole-grain breads, cereals, legumes, and other foodsâbind zinc and inhibit its absorption [2,12,13]. Thus, the bioavailability of zinc from grains and plant foods is lower than that from animal foods, although many grain- and plant-based foods are still good sources of zinc [2].
To maximize your zinc intake: 1  Include a variety of zinc-rich foods throughout the day, such as whole grains, wheat germ, tofu, tempeh, miso, legumes, nuts, seeds, and, if applicable, eggs and dairy products. 2  To increase the amount of zinc absorbed from plant foods, soak nuts, beans, and legumes overnight.