Full-text (PDF) | 1.1 Scope and purpose of the document: The purpose of this document is to assess, evaluate, and give guidance on the role of elemental speciation and speciation analysis in hazard and risk assessment, rather than to present a review of each element and its speciation. The effects...
Iron-Rich Foods. Very good sources of heme iron, with 3.5 milligrams or more per serving, include: 1  3 ounces of beef or chicken liver. 2  3 ounces of clams, mollusks, or mussels. 3  3 ounces of oysters.
Iron is a mineral that is naturally present in many foods, added to some food products, and available as a dietary supplement. Iron is an essential component of hemoglobin, an erythrocyte protein that transfers oxygen from the lungs to the tissues [ 1 ].ood. The richest sources of heme iron in the diet include lean meat and seafood [ 11 ]. Dietary sources of nonheme iron include nuts, beans, vegetables, and fortified grain products. In the United States, about half of dietary iron comes from bread, cereal, and other grain products [ 2, 3, 5 ].