As a subject matter expert in nutrition, I can tell you that the best absorbed form of iron is
heme iron. Heme iron is a type of iron that is found in animal tissues and is more easily absorbed by the body compared to
non-heme iron, which is found in plant-based foods. The body absorbs about 15-35% of heme iron, whereas it absorbs only about 2-20% of non-heme iron. Factors such as the presence of vitamin C can enhance the absorption of non-heme iron, while substances like phytates, calcium, and tannins can inhibit it.
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