I have found the NerveRenew products to be VERY helpful & reliable. The staff are ready to answer any questions & always accurate. This is one of the Best companies I have ever done business with. I have been able to regain my life pretty much pain free. I never thought I would be able to climb a ladder again but now I do without any hesitation. I HIGHLY RECOMEND Nerve Renew products. Oh yeah,almost forgot, I now have my blood pressure almost completely under control.