Forms of Iron. Iron comes in 2 forms: heme iron (from meat and animal products) and non-heme iron (from other sources like vegetables and iron supplements). Non-heme iron used in iron supplements can appear in 3 forms: Ferric iron—This type of iron is less soluble than ferrous iron when the acidity in the stomach is low.
Frequently used forms of iron in supplements include ferrous and ferric iron salts, such as ferrous sulfate, ferrous gluconate, ferric citrate, and ferric sulfate [3,20]. Because of its higher solubility, ferrous iron in dietary supplements is more bioavailable than ferric iron [ 3 ].
Group: group 8
Ferrous Iron. Ferrous iron is better absorbed by the body than ferric iron. For this reason, most iron supplements contain ferrous iron. Three types of ferrous iron are typically prescribed: ferrous sulfate, ferrous fumarate, and ferrous gluconate. These supplements are available in many forms, including tablets, capsules, liquids, drops and extended-release.
How To Convert Between Different Forms Of Iron Supplements. The most common form of iron that doctors recommend is called Ferrous Sulfate and the most common dose recommended for patients is 325 milligrams. The confusing part is that doctors will often tell their patients to take “325 milligrams of iron” when in fact,
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There are two forms of dietary iron: non-heme iron, found in vegetarian foods (i.e., whole grains, fortified breakfast cereals and legumes), and heme-iron, found in …
Impurities in Iron Ores