... so after finding this out, I had nausea and stomach issues surface.

WHen they surfaced my fatigue went away--and It seemed my body was focusing on the other issues?

I got checked out--docs and I still trying to make sense of the apparent GI issues (already had two scopes, US). But can fatigue from Vit D deficiency leave for two months and come back after a simple workout at the gym?
The fatigue has been here since Saturday, after a two month hiatus. What gives?
I've been taking D script tablets and multivitamin for nearly 3 months now (since July 15)