How do you know how many milligrams they are per pill if you don't have the bottle anymore?

You can bring the pill in to your pharmacist and they will be able to tell you that info. They are highly trained in that. You can also check on this site as well. Hope this helps you.

pikehellard, Scroll all the way to the top of this site( where you registered) click on pill identifier more times than not you will be able to view the pill and the mg. just by entering the letters and/or on the pill ,its color and its shape. Fall Queen