Supplied in the form of citrate as this is known to be easily absorbed, and some nutritionists consider this form to be less likely to cause constipation than the more common ferrous sulphate.

Low iron intakes are surprisingly common in the UK. Lambertshighly recommend that any adult, particularly women of menstruating age, who eat a vegetarian diet, or very little red meat, should consider adding an iron supplement to their daily regime.