You may have picked it up from one of my many posts promoting it.

You must be over the moon (not literally!).
I'm a huge fan of magnesium ever since it cured my long term chronic headaches. Been on it for over 2 years now.
It has a lot of other benefits too, as it's vital for cell functioning.
One of the problems with it though is that high doses can irritate the gut, so you have to back off if you notice that. I get loose bowels if I take a bit much, so it's hard to maximise my dose. I drink it in water.

I have just changed to a different type of magnesium. It is a much smaller molecule, with a positive charge.(Doesn't mean anything to me, either.)
You put about 5ml under the tongue twice a day, and that's it.
Being smaller, it is absorbed much faster, and doesn't have to work its way through the gut or other bits.

You can read about it here.
http://drcarolyndean.com/