When you donate one pint of blood, your body immediately gets to work rebuilding the deficit or replacing the deficit. In fact, your body is naturally producing 2.4 million new blood cells per second! Special cells in the kidneys sense the decreased level of oxygen in the blood after donation, and the significant dip means that it takes a number of weeks to build up stores again to the levels pre-donation.
If you regularly donate blood, Active Iron can help restore your iron levels after donation