I am 68 years old and have suffered with pain in my lower back neck and right leg and thumbs, I have worked construction all my life and kinda figured that this was how it was going to be because of my work. I was talking to my sister in law about it and she told me of a med. that the vet gave her for a dog that was in such pain oh by the way the dog was very old that even though it wanted to be petted when you would go to pet him he would cry. The product was called MSM she said I should try it I did and the results has been amazing after about two weeks I noticed that the pain was subsizing, I have been taking it for 3 years and have no pain in my joints at all. Hope this works for you, and yes I know that I can,t spell worth a crap.