Sodium hyaluronate
"This is the miracle to all the knee pain, I need to do a commercial for this injection its the best thing ever, had it 8 years ago worked for about 2 or 3 years, got it again it worked the same and this is the 3rd time it took longer for it to work but it worked just the same. I'm the wife and so please at how he feels. he walked with a bad limp at first until he got this injection. OMG."