There were trial studies comparing the two, 80mcg tymlos vs 20mcg forteo - results appeared to be better with tymlos over that of forteo by a small margin. But it is hard to say which one will be better for a particular person. Either drug has a clinical failure rate (small) as well as tolerability issues, at each individual level.

Most of us choose one out of the two after discussion with our doctors. Then insurance coverage might dictate the selection. Some people had to switch due to unbearable side effects.