FERROUS SULFATE TABLETS 325MG 100/BT Unit: 100 Pack: BT Iron is a required component of a human being’s daily diet. It contributes to healthy hemoglobin, which is the substance in red blood cells that carries oxygen from the lungs to the rest of the body. Gericare Ferrous Sulfate Iron Tablets, 325 mg, 100 Count We created Compact by Design to identify products that, while they may not always look very different, have a more efficient design. With the removal of excess air and water, products require less packaging and become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions.