We don't know: But many people have low absolute (RBC) magnesium, even if serum level is normal. We are mostly deficient. You should probably try to take about 400 mg Mg daily just as a trial of effect on your fasciculations. It won't hurt you---worst it can do is diarrhea.
Answered 12/24/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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