Animal liver.

Animal liver contains much more vitamin A and iron than meat, eggs and milk, making it a good food source for vitamin A and iron supplementation. Iron is the main component of hemoglobin, animal liver iron can provide the body with blood raw materials to prevent iron deficiency anemia.

Animal liver is known as the "king of vitamin A" in food. Per 100 grams of pig liver vitamin A content of about 5000 micrograms per 100 grams of chicken liver, beef liver, sheep liver vitamin A content of up to tens of thousands of micrograms. One of the important physiological functions of vitamin A is to maintain normal visual function, to maintain normal vision has an important role.

Animal liver can be safely eaten after cooking

The liver is an important metabolic organ, into the body of toxic and harmful substances, such as heavy metals, veterinary drugs, pesticides, etc., in the liver after metabolism, transformation and discharged from the body. When the liver function declines or when toxic and harmful substances are ingested in excess, they may accumulate in the liver.

Now we eat animal liver are captive animals, generally in the use of veterinary drugs will have a certain period of suspension, to ensure that the drug out of the body, become qualified products on the market. In this way, pig liver bought back cooked, can be safely eaten.

Reference: Xiaoxiang Morning Post - Is animal liver toxic? Can you eat it or not?