Hello,
I use to have alot of stiffness & bad spasm's all down in the lower area, and I searched and searched and finally found on youtube that potassium & magnesium helped it out, well at that point I would have tryed anything and I did try it, I found all my stiffness & bad spasm's stopped completely. I was VERY surprised at the outcome of this.
Just some info that I have tryed out myself on stiffness & spasm's.