There is strong evidence that our dear cuppa can hinder the absorption of iron in the body. Tannins and caffeine are the components responsible for the inhibiting effect. The good news is that we don't have to give up our favourite beverage because there is an easy solution.

Let's establish some key facts about how much caffeine can be found in different teas. I will lay down those factors where there is certain conclusive evidence. And I will point out how you can control the caffeine content in your cup.