RLS is related to low levels of the brain chemical dopamine. Iron is required for production of dopamine, so people with iron deficiency anemia often have restless legs. Because of this iron-dopamine connection, if you have RLS it is important to monitor your iron levels and replace any deficiency. Testing includes a complete blood count and measuring the levels of iron and ferritin (the best way to gauge the amount of iron in your bloodstream). In the case of RLS, however, it is not just the level of iron in your bloodstream but the amount in your brain that matters. People
