I went online and found an interesting video about Vitamin D and pain. I thought everyone in this discussion group might find this interesting as well. Just click on the link. Will you let me know your thoughts after listening to it?
https://www.mayoclinic.org/medical-professionals/physical-medicine-rehabilitation/videos/mayo-clinic-study-suggests-those-who-have-chronic-pain-may-need-to-assess-vitamin-d-status/VID-20433392