Yea and I had no idea what it was or that anything could be done. Some could be a coincidence, but it seems pretty likely to be the cause to me. Over the last few months there has been a constant pressure in my lower back that has since gone away. A foggyness in my head has since gone away. Maybe it is some confirmation bias since taking supplements for awhile now, but the change seemed drastic.

Getting less than 5 minutes of sun per month and never eating any foods that contains Vitimin D such as fish for several years might be to blame.