1. Duck blood mainly refers to a food made from duck blood after coagulation. It is not high in calories, with only 55 calories per 100 grams of duck blood.

2. Eating an appropriate amount of duck blood can effectively clear away heat, detoxify, replenish qi, and improve dizziness and headaches caused by ischemia. From a nutritional point of view, this kind of duck blood is rich in calcium ions and iron ions, which can enhance the strength of bones and promote normal metabolism. However, duck blood is a cold food, so eating too much It is easy to damage the spleen yang afterwards, so it is not recommended for people with cold-dampness constitution.