Iron-rich food Pig liver contains 31.1 mg of iron per 1 g, and protein contains 2.8 mg. Pig liver is also rich in vitamin A and folic acid, with comprehensive nutrition. However, pig liver contains more cholesterol, so it is not advisable to eat too much at a time. Beef contains 3.2 mg of iron per 1 g of beef, and protein contains 2.1 mg. Beef has high nutritional value and has the function of strengthening the spleen and stomach, but the beef fiber is thick, so it should be cooked thoroughly and thoroughly when it is given to the baby. Pork contains 3.4 mg of iron per 1 g of pork, and protein contains 18.4 mg. Pork has the effect of moistening intestine and nourishing stomach, and is the most common source of iron in baby's daily diet. Chicken liver contains 13.1 mg of iron per 1 g of chicken liver and 16.6 mg of protein. Chicken liver is rich in heme iron, zinc, copper, vitamin A and B vitamins, which is a good choice for baby to supplement iron. Pig kidney contains 5.6 mg of iron per 1 g of pig kidney, and protein contains 16.8 mg. Pig kidney is rich in zinc, iron, copper, phosphorus, B vitamins, vitamin C, protein, fat, etc., but it should be cleaned when making. Chicken blood contains 28.3 mg of iron per 1 g of chicken blood and 1.1 mg of protein. Chicken blood is rich in iron, zinc, amino acids and vitamins, especially iron and lysine, which are easily absorbed by human body. Soybean contains 9.4 mg of iron per 1 g of soybean, while protein contains 32.9 mg. Soybean is rich in nutrition and high in iron, but its iron absorption rate is slightly worse than that of animal sources. Egg yolk contains 1.2 mg of iron per 1 g of egg yolk, and protein contains 15.2 mg. Egg yolk is rich in iron, zinc and vitamin D. If there is no allergy, eggs are one of the most important foods for babies.