At77yearsofage I am still working summers doing maintenance at an RV park. Several years ago I needed a knee brace on both knees to keep going. Also one hand was so bad I could not touch my fingers with my thumb. Listening to Shel Busey on the radio one Saturday, he was talking about SierraSil. I bought some and I have been taking SierraSil faithfully for years. I take no prescribed medication. I have absolutely no problem now. My wife has neck issues and also swears by SierraSil.I have recommended it many times and will continue to do so.
SierraSil is a life changer!