HAVE YOU TRIED CALCIUM AND MAGNESIUM? Ohh sorry didn't know caps were on. Let me see if I can find a link about it.
Magnesium Deficiency Symptoms and Diagnosis | GreenMedInfo | Blog Entry
12 Common Magnesium Deficiency Symptoms
actually, just google magnesium deficiency.
As a matter of fact, I'm going to hunt some down right now as I realize Im having signs of it being low again.
Hope it works for you.