One of my patients started on Sierrasil and said there was literature on its effectiveness – it does not say that it helps pain though.. Early relief of osteoarthritis symptoms with a natural mineral supplement and a herbomineral combination: A randomized controlled trial. Journal of Inflammation 2005, 2:11.
Mark JS Miller et al
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1276811/pdf/1476-9255-2-11.pdf
I am only interested in benefits in pain – other measure contain so many elements they can artificially inflate benefits. Results on pain were here:
There is no differences longterm there; they got slightly better results adding cat’s claw. WOMAC disability scores were the same at 6 weeks+
Comment – I would still stick to SAMe if I wanted to go herbal way:
Can’t Tolerate Arthritis Pills? – Try SAMe But Give It a Month
http://painmuse.org/?p=67