Well, I don't have lupus or Rheumatoid Arthritis . Vitamin D still ok. After being electrocuted and poked with needles for an hour on my numb foot and leg (numb since May), I'm told my nerves and muscles are ok. On my upcoming brain scan we'll be looking for myelin (nerve sheath) problems, which can cause numbness. If any myelin problems show, there will be more tests for things like Lyme's disease, etc. So no surprises--everything is normal on my dozens of tests except that extremely low progesterone. I just want my energy back! And not to ache all over all the time. It's been out 14 months.