Tannins in tea can block absorption of iron, but vitamin C enhances iron absorption, as do fermented soy foods, such as miso, and the lactic acid in yogurt and sauerkraut.

• 茶中的丹宁酸会阻碍铁的吸收，但是维生素C有助于铁的吸收。发酵的豆制品，例如味噌、酸奶、泡菜中的乳酸也都有助于铁的吸收。