@Heather google magnesium calms nerves and you'll get hundreds of articles. I did...
What kind of magnesium do you recommend, for its calming effects and also for gently keeping one "regular?" Also, have you tried Magnesium "oil?" I read the reviews on Amazon for Swanson (and other brands) Magnesium oil and they were so overwhelmingly positive I ordered some. Can't tell yet, but I'm hoping it will help my painful lower back...