Originally Posted by hitaPR
My sister gets migraines a lot. She was taking a calcium supplement but then stopped taking it when she ran out. Migraines went away. She had not had them for a while. Finally remembered to pick up some calcium supps and started taking them and long behold she got another migraine. Do you think that the two are related? Have you ever heard of this before?
A calcium supplement normally has other ingredients, it could be one of them as well.