17 Feb 2015 Blackmores Institute Iron supplementation improves hb recovery time post blood donation 17 Feb 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Donors with normal haemoglobin levels still need low-dose oral iron supplementation after they give blood, new US research shows. The study, comparing low dose iron supplementation to no supplementation in blood donors, found that supplementation significantly reduced the time to recovery of post-donation of lost iron and haemoglobin. × To continue reading this article, please Log In or Sign Up for access.