Peripheral Neuropathy is certainly a much misundertood disease, even by the General Practitioners (GP's)..Check out the Mayo Clinic website and you will probably find the best information available today. Clearly complicated. Vitamin deficiencies play a vital role....B vitamins !2, 9, 6, 3 and 1. Also Vitamin E, and others. Easily obtained from Amazon.ca
And of course exercise, and the best is walking. Not in heat, or you may easily become dehydrated. And a more serious issue if you are older. I will update if I learn more.
Reading GUT by Giulia Enders introduces a possible connection with nerves and the gut. i highly recommend reading this book, $17 on Amazon.ca
Baffled and 
Severe idiopathic neuropathy pain
Neuropathy in feet, stopping Cymbalta - try more natural?