Haha! Our diets have us short of all sorts of things! That mag. being one of them. Not to mention iodine, gut bacteria, and systemic enzymes!
Any who...
I think we need some mad "D"! I wouldn't hesitate to take a daily dose of 5000iu. It's great for immunity, hormone production and regulation, daily mood, energy levels, and even does the dishes!!!
Note: always take your fat soluble nutrients (like mr D) with a meal!