I have the same thing. elevated C-Reactive Protein and also vasculitis. The only thing that has helped me has been Prednisone, pain medication, injectible B12 and Klonopin.
Don't know if this will help you any or not, but you have my sympathies; it sure does hurt...
How much of the Vit C, folic acid and D, did your doc say to take.
Cathie
P.S. Watch out for Curious...

She thinks Mexican food will fix anything...

Well, it just might do that...