In our Natural Healing Foods book, we have a section on "Nourishing Your Nervous System".
Most cases of neuropathy are seen in people with metabolic disorders, accumulation of toxins, or diabetes - however there are other causes.
Some things to pay attention to are:
1) Balanced blood sugar levels
2) Liver, thyroid and kidney health
3) Getting your B-vitamins
4) Exposure to toxins
5) Avoid alcohol
With some of these in mind, check out these articles!
Generally speaking, consuming a wide variety of healthful foods like fruits, veggies, nuts, legumes, seeds, and beans will be beneficial. Please discuss specifics w/ your Dr.
Here's a post from Shari about her chemo-induced neuropathy. While it isn't completely relevant, you may find that some of her recommendation are helpful for your case too.