Everything you know about iron supplements is wrong
New research overturns guideline advice that daily oral iron supplements be taken in divided doses to maximise absorption.
A study of iron-depleted young women in Switzerland has shown that optimum levels of iron are achieved when supplements are taken on alternate days in a single dose.
Taking iron on alternate days may also improve compliance by minimising gastrointestinal side effects, researchers have reported in Lancet Haematology.
In the study involving 40 young women with