Consider adding a B compex to round out the B vitamins. B1 may be helpful for the burning if you are low in its.

It takes time to heal. You can plataeu for awhile and sometimes healing causes a temporary increase in pain and then you see a drop in pain levels. All very confusing when you're trying to figure it all out.

Check out Iherb.com They carry Jarrow and Thorne Research. Pretty fast delivery too.