@fisbo, Unfortunately there are a lot of those "Neuropathy Clinics" that promise to get rid of PN and you have good reason to be skeptical. Here are some good tips on evaluating health information advertising:

-- FDA's Health Fraud Page:
https://www.fda.gov/ForConsumers/ProtectYourself/HealthFraud/ucm539101.htm
-- NIH's National Center for Complementary and Integrative Health (NCCIH):
https://nccih.nih.gov/health/decisions
https://www.nccih.nih.gov/health/pain
There's also some great tips on the McMaster Optimal Aging Portal:
-- Don't believe the hype: 6 tips to identify trustworthy health information:
https://www.mcmasteroptimalaging.org/blog/detail/blog/2017/05/02/dont-believe-the-hype-6-tips-to-identify-trustworthy-health-information