I've been using MSM for years to prevent gallstones and my neuropathy just continued on. My initial neuropathy was from B12 deficiency, which was from chronic diarrhea, which was from vaccine injury.
Hi John P. ; I do hope you're having some improvement by now with the B12. Have your symptoms changed at all? Oftentimes as nerves heal, numbness, tingling, and pain can alternately diminish and return temporarily. Temperature sensitivity can also shift. Although I've tried numerous subtances for neuropathy, the B12 has worked best far and away. But this only means that it worked for my case. (though there are many case studies to support B12's efficacy with neuropathy). Still, the folks here are offering good suggestions as these supplements also have an excellent track record for treating nerve injury. I also welcome suggestions because someone may just pop us the right answer!
I see you are trying transdermal applications. It still surprises me how powerful they are. In fact, I cringe when I recall that I've coated my hands with paints that were loaded with heavy metals. Then I would use nasty solvents to remove them. Now I use gloves. But I do use the solvent, DMSO with some transdermal applications. I've added 4 (20mg) B12 lozenges, crushed with a mortar and pestle, to a 1 oz. Dark glass dropper bottle, mostly filled with DMSO. I shake it vigorously for a few minutes until dissolved. This is an approximate recipe developed by Dr. Gregg. I've used this off and on for several years with good effects. I buy the DMSO and supplies from a chemical shop. The mixture is a bit sticky, and the flavorings make for an unusual scent, but it did help me. I would often use it on my left hand which had become frighteningly stiff and numb. I'm now trying it on the small numb spot on my heel to see if it speeds recovery. Castor oil is also a great medium to use either alone or with added essential oils, some good warming ones could be : Oil of Oregano, Cinnamon Oil, Black Pepper Oil, and Ginger Oil. Cayenne is very warm, but I have only seen it as a powder or extract. There are some ready-made salves, but some are with cooling mints. I do have one that is warm, it is called Badger sore muscle rub. It is mild. Good Wishes.