Active Iron Advance is a high potency oral iron supplement that is clinically proven to improve iron levels and support haemoglobin formation. It is six times less likely to cause gut irritation compared to other oral irons, resulting in four times better adherence. Active Iron Advance has been shown to increase iron stores by 94% and improve energy levels. It is also better absorbed, with 2X absorption of iron sulphate compared to other oral irons.