Hello Healthgirl, I read one of those You-Tube or video ads that said anyone with PN should be on Zinc. So I get to the store and buy some. Had Neuro visit about 2 weeks later and she asked how long I had been taking the Zinc. I said 2 weeks and she told me to stop it. Too much zinc can drive down your Copper. I don't know symptoms of low Copper and it may just be essential for healing but the intent of this reply is to warn about the abundance of info out there that desperate people(me) have acesss to. I will have to give an extra vial of blood at my next Endo visit to run a Copper test as there was not enough sample on last visit. As far as I can recall, I cannot remember any conflicting info from Neurotalk. Some other adjectives, yes, but not conflicting. Good Luck, Ken in Texas.