Has anyone ever tried Plexus?

Has anyone ever tried Plexus for their TN pain? I started lowering my dose of tegretol and have been able to manage, but I know come winter I won't be able to tolerate the change in temperature. A friend of mine recommended Plexus nerve relief or something but I wanted to see if anyone here had tried it yet. Thoughts? I think I'm going to put an order in just to try it out.

I put this under complementary therapies since it is a vitamin and more alternative medicine than real meds.