--about improvements in nerve function from exercise, or from certain supplements, do focus on the nitric oxide connection Mrs. D mentions, in that nitric oxide has a vasodilating effect.

One of the best places to read about this are in the papers of Dr. Aaron Vinik, who is one of the world's leading researchers into diabetic neuropathy, especially small-fiber versions, and who has described the nitric oxide pathways numerous times. I still have one linked in the Useful Website "Stickies" at the top of the board, I believe, and here's a very technical one that talks about it from the viewpoint of skin perfusion:


http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3047977/


Here's another that gets into why increased ischemic flow is important for healing/nutrifying, and why exercise is important for that (and why diabetics have problems with blood flow):

http://care.diabetesjournals.org/content/26/6/1883.full


And here's a HUGE overview associated with Endotext, a series of on-line endocrinology texts:

http://diabetesmanager.pbworks.com/w...20Neuropathies