I found one that completely got rid of my peripheral neuropathy while on it, but I'm not advising anyone to try it. It was serendipitous. A friend of mine at work mentioned that he took lithium to help with his ADD/ADHD. He and I are very similar in our ways and I thought that I would give it a try. I did not have a prescription for his lithium medication type, and knowing that it's an element, searched Amazon.com to see if there was a supplement available. I found one called lithium orolate and the reviews were positive from it helping mood, anxiety, etc., so I thought I'd give it a try. I took the 5mg dosage and by the second day, my PN was gone. It had blocked it better than gabapentin and THC/CBD prescribed by my pain Dr. Now the side effects because there is no free lunch, right? I lost most of my sense of taste and had to urinate a lot more often. I stopped taking it and my PN is back and my sense of taste is slowly coming back. I didn't see any comments in the reviews about people losing their sense of taste and after an AI search believe that my system is hyper sensitive to lithium. Others in the comment section said they had been taking it for years with no side effects. Anyway, I'm not suggesting anyone take it, but I am here to say it helped my PN better than anything I've taken yet.