Answer
No. Crushing, chewing or breaking them damages the gastro-resistant coating.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Naprosyn Pain Relief 250 mg gastro-resistant tablets/Naproxen 250 mg gastro-resistant tablets 08 Aug 25 — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.