While meat-eating menstruating women need 18 mg of iron a day, vegetarians need 33 mg. Meat-eating men and postmenopausal women need 8 mg of iron a day, ...

Animal-based foods, particularly red meat, are some of the richest sources of iron. Beef, lamb, and pork, especially organ meats like liver, provide high levels of heme iron, the type of iron that ...