Pills with imprint M 3

Only one product in our FDA label database carries the imprint M 3. Even so, compare the colour, shape and size below with your pill — and confirm with a pharmacist — before relying on the match.

ImprintMedicine & strengthColourShapeSizeLabeler
M 3Metoprolol Succinate 100 mgWhiteRound11 mmRemedyrepack Inc.

Source: FDA label data via DailyMed/openFDA, export of October 29, 2026.