Hi Suemer, I am scheduled to go on Tymlos. The studies on this drug are minimal, at best, and the side effects are dangerous. However, with a 4.6 T score and a knee that needs replacement, my choices are limited. I am also seeing a doctor who practices "functional" medicine and prescribing specific types of bone supplements. I am hopeful to take Tymlos for a short period of time. At 72, one fall to my hip and I will not recover. Sometimes, we must have the courage to do what seems unthinkable. I was told by 3 medical people, Prolea will not build bone but will prevent further bone loss. Unfortunately, in my case, I'm beyond prevention. Life is short and I would like to extend me quality as much as possible!🐱