1, pig liver is better. 100 grams of raw pig liver contains about 23 milligrams of iron, sheep liver contains 7.4 milligrams of iron. From the data show that pig liver contains far more iron than sheep liver, but sheep liver contains vitamin A content is much higher than pig liver, so eat sheep liver, not to eat more, otherwise it is easy to cause vitamin A poisoning.

2, the difference between sheep liver and pig liver:

(1) the main nutrients: in the energy and fat content, sheep liver energy is the highest; in the protein, pig liver protein content is the highest; and then say that vitamin A, it is a very important vitamin in the liver, the liver brightening effect has to be attributed to it. Vitamin A can also promote growth and development, maintain skin health, increase immunity and so on. Its content is highest in sheep liver, followed by pig liver.

(2) cholesterol content: sheep liver has the most cholesterol, pig liver slightly less.

(3) Mineral content: iron content and other minerals such as zinc content in pig liver is the most abundant, and the digestive absorption rate is very high. Therefore, anemia patients, pregnant women and children, etc., can choose more pig liver.

(4) safety: because the liver is the largest detoxification organ in the animal body, it is easy to gather toxins, so eat liver to consider safety. Generally speaking, large animals, such as cattle, sheep, etc., the growth period is longer, so more toxins accumulated in the liver, especially cattle liver to eat less. In addition, animals that are farmed on a large scale and are susceptible to disease should also eat less of their livers, such as chickens. Therefore, relatively speaking, duck liver and pig liver is slightly safer.