Hi,
It is fine actually recommended if you have not kidney problems, or diahrrea,however do not take too much look for magnesium toxicity on symptoms like slippiness, lack of apetite, vomit, diarrhea. ALso after a while that you're balance you should take it with calcium as one compite with the other on Ration 1:2, or 1:4 depending on how you feel.