Can Eating Animal Liver Treat Human Liver Diseases?

Many people grow up hearing the advice, "Eat liver to improve your blood." This recommendation is especially common for pregnant women and people recovering from illness or weakness. Because of this belief, many regularly eat goat liver, chicken liver, or beef liver, assuming it can also help heal the human liver.

But is that actually true?

According to the U.S. National Institutes of Health (NIH), animal liver is one of the most nutrient-dense foods available. It contains high amounts of:

• Iron, which helps prevent and treat iron-deficiency anemia.
• Vitamin B12, essential for healthy nerves and red blood cells.
• Protein, needed for tissue repair and muscle growth.
• Folate and other B vitamins that support overall health.
• Vitamin A, which is important for vision, immunity, and cell growth.

However, eating animal liver does not cure liver diseases such as hepatitis, fatty liver disease, cirrhosis, or liver cancer. While it provides valuable nutrients that support general health, there is no scientific evidence that consuming the liver of an animal repairs or regenerates a damaged human liver.

A Word of Caution for Pregnant Women

The UK National Health Service (NHS) advises pregnant women to limit or avoid eating large amounts of liver. This is because liver contains very high levels of vitamin A (retinol), and excessive intake during pregnancy may increase the risk of birth defects in the developing baby.

The Bottom Line

Animal liver is a highly nutritious food and can be an excellent source of iron, protein, and essential vitamins. It may help people who have iron deficiency or certain nutrient deficiencies, but it is not a treatment for liver disease.

If someone has a liver condition, the safest approach is to seek medical evaluation and follow evidence-based treatment rather than relying on liver consumption as a cure. A balanced diet, avoiding excessive alcohol, maintaining a healthy weight, and following a healthcare provider's advice remain the most effective ways to protect liver health.