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-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.ron in plant foods such as lentils, beans, and spinach is nonheme iron. This is the form of iron added to iron-enriched and iron-fortified foods. Our bodies are less efficient at absorbing nonheme iron, but most dietary iron is nonheme iron. 1  1.