@vga
I assume that you mean strontium citrate dosing. The only information which I can give you is what the research says. As per the research, 680 mg daily of strontium has a positive impact on osteoporosis. As per the research, 480 mg daily of strontium seemed to work on osteopenia.
Mots and comb research for strontium citrate, comparison on BoneLadies' blog:
https://strontiumforbones.blogspot.com/2020/
A compilation of research and posts about strontium on Inspire:
https://www.inspire.com/groups/bone-health-and-osteoporosis/discussion/dd823b-strontium-a-compilation-of-research-and-information/
What any of us decide to take for our osteoporosis is a complicated decision made up frequently of as much how we feel as what the research says. We need to feel safe and comfortable in our decisions in our own thoughts and taking into consideration our doctor's input because they frequently have a good handle on our medical history and what is causing our osteoporosis. So be sure and talk with a good endocrinologist and have all the appropriate tests. My endocrinologist told me that I did not need him any more and to change nothing.
One thing to bear in mind is that you may start and stop strontium citrate easily; that is not the case with some osteoporosis drugs.