Updated 07 May 2015

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Iron deficiency is a common cause of restless leg syndrome and is easily reversible by taking an over-the-counter iron supplement such as ferrous sulphate.

Ferrous sulphate is best taken on an empty stomach, but be careful not to take it within one hour before or two hours after eating or drinking tea, coffee, milk, eggs and whole grains, as these products tend to reduce the absorption of iron.

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