I’ve tried most of the items mentioned (Voltarol, mint-powered gel etc., hot-pepper-powered paste) for my arthritic knee, with varying results. Recently I ordered knee patches which were advertised on Facebook - 'Heaven Knee Relief Patches'. The ingredients are: wormwood, reticulate millettia, saline cistanche, davallia mariesii, chain fern, wild celery, safflower, spignet, corydalis, and borneol. They all seem to be used in Chinese medicine, about which I don’t know much, but am keeping an open mind. Will be happy to report, once they arrive…