Pills with imprint I13

The imprint I13 is used by 2 distinct products in our FDA label database, covering 2 different medicine(s). An imprint alone does not always identify a pill — makers reuse short codes — so always compare the colour, shape and size as well.

ImprintMedicine & strengthColourShapeSizeLabeler
I13Naproxen 250 mgWhiteRound10 mmRemedyrepack Inc.
I 13Bupropion Hydrochloride 150 mgWhiteCapsule12 mm

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