Iron nutrition.
D000818:Animals; D005527:Food, Fortified; D006418:Heme / Q000378:metabolism; D006801:Humans; D007408:Intestinal Absorption; D007501:Iron / Q000378:metabolism* / Q000627:therapeutic use; D000090463:Iron Deficiencies; D009751:Nutritional Requirements; D013329:Structure-Activity Relationship
D006418:Heme; D007501:Iron