Metformin
metformin hydrochloride · immediate-release (IR) tablet
The finding
BY MAKER
For metformin immediate-release tablets, ingredients differ by manufacturer. The manufacturer on your bottle decides your answer.
Keep taking your medicine as prescribed.
This page is for metformin immediate-release tablets. Extended-release and liquids are different medicines on this site. Some makers list magnesium stearate; those are not a clean-list answer.
SourceFDA label
Label datedAugust 2026
Content has been reviewed by a licensed pharmacist.