Answer
The shell of the Brown & Burk UK Ltd amoxicillin 500 mg capsule product lists methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216).
Sources for this answer
- Amoxicillin 500 mg CapsulesBrown & Burk UK Ltd · emc · SmPC §6.1 List of excipients · Version 3Document updated
Sources checked