Answer
No. They should be swallowed whole to preserve the gastro-resistant formulation.
Sources for this answer
- Dimethyl Fumarate Mylan 120 mg Gastro-resistant Hard Capsules — Current selected SmPCemc · Summary of Product Characteristics
- Skilarence 30 mg gastro-resistant tablets — 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.