"the size of my 1,000 IU pill/capsule thing." u live in USA and do not also have 10.000 I.U capsules, strange? I have taken 50.000 I.U. a couple days days ("experimentally"), felt no difference (as expected). and this is not a recomandation, too much too long can likely give side effects. Today I likely got 50. 000 IU from the sun, I do not take D sup in summer but I show lots of muscles-skin to the sun.
PS I informed your favorite president personally about he should recommend D vit to the people...he likely forgot few minutes later..because we have heard no such recomandation from up there, and it is quite a no brainer, is it not...