2. Beef Liver
Organ meats like beef liver are also high in iron. In fact, organ meats are incredibly nutritious and feature an excellent nutrition profile. A serving of beef liver, which is equivalent to 3 ounces, contains about 5.4 mg of iron and that’s equivalent to 30 percent of your recommended daily intake of iron.
Aside from iron, beef liver is also loaded with high levels of Vitamins A and B12, having 534 percent and 987 percent of your RDI respectively. Beef liver is also a good source of protein. When eaten in moderation, the beef liver can be a great and nutritious addition to a healthy diet.