Duck blood and pig blood, chicken blood and other animal blood, are ideal for blood tonic, it is high in iron content, and it is easy to be digested and absorbed.

Duck blood is rich in protein, while its fat and cholesterol content is lower than animal meat food, so compared to animal meat food, it can reduce the intake of fat and cholesterol, and patients with high blood pressure can be properly consumed.

Duck blood also has a detoxifying effect, can laxative, very suitable for people with dry stools to eat, so diarrhea patients should not eat.

As duck blood and other animal blood is easy to fake, it is best to buy from the regular supermarket. Generally fresh blood, because it contains a lot of oxygen, the production process will be in the blood of the surface and inside the formation of many small pores. The real animal blood is very hard to touch, cut easily broken, the color is dark red, with a little blood. If there is no such characteristics, beware of artificial.