Ferrous sulphate tablets 200mg x 60 tablets ferrous sulphate tablets are used to treat and prevent iron deficiency anaemia iron is a mineral that the body uses in the creation of haemoglobin a component of red blood cells that carries oxygen iron is also used in myoglobin which allows muscle cells to store oxygen lack of iron can cause tiredness due to low levels of oxygen in the blood or the inability to store oxygen this can lead to tiredness ferrous sulphate tablets work by