Has your health provider recommended that you take an iron supplement? Men need less iron than women, but iron still plays a vital role in supporting their hemoglobin production, immune system, and ...

Iron is available as a ferrous salt or ferric salt. Ferrous salts, including ferrous gluconate, glycinate, and sulfate, are absorbed more effectively ... age 51 and over: 8 milligrams (mg) per day (mg ...