Hi. I am sorry for your continued health conditions. I hope you get relief soon. For me I have PN in my inner ankle/foot/calf of both legs and RSD but for me I take and it changes slightly but anyhow on a regular basis
Magnesium glycinate 400mg sometimes the oxide too
Multi
Calcium with d 2 times daily
Glucosamine chondrotin
Fish oil and flax seed supp 2 of each
Vitamin c
Meds not the as needed ones
Neurontin
Cymbalta
Serequel
Klonopin
As for gluten free if you have a Trader Joes or Whole foods they have a lot of breads and even things like waffles that are GF. Feel better