I think @mamamarch hit the nail on the head with limiting or avoiding sugar and inflammatory foods, including alcohol. The Foundation for Peripheral Neuropathy has a great list of lifestyle and dietary information here - https://www.foundationforpn.org/lifestyles/peripheral-neuropathy-nutrition/.

A discussion on a topic that really helped me change my lifestyle and get to a healthier weight might be something to look into:
-- Low-carb healthy fat living. Intermittent fasting. What’s your why?: https://connect.mayoclinic.org/discussion/low-carb-healthy-fat-living-intermittent-fasting-whats-your-why/