[header] How to increase hemoglobin levels [title] Eat more foods with heme (organic) iron. [step] Sources of heme iron (aka organic iron) are generally the easiest for your body to absorb. About 20% of heme iron is absorbed during digestion, and that absorption level is not affected by any other dietary elements.
Heme iron sources can also help your body absorb more iron from non-heme foods. Red meat tends to have the highest absorbable iron levels, but other forms of meat and seafood are also highly absorbable.