OK, so I haven't posted to this forum in a long time (since mid Feb) because of a knee injury. To make a long story short, my work doctor said that I have a strained left patella tendon, instability in my right knee, and the miniscus on both my knees is wearing down. So he recommended rest and therapy for me. Next came the cortisone injections and now he says the I also should try Hyalgen. 5 injections, once a week, with another at the end of 6 months. When I was riding I weighed 204, now I'm 234 . So, I can't wait to get back on my bike. Hyalgen...is it worth a try? Thanks guys.