Answer
Yes. The selected liquids contain clinically relevant amounts of both, which matters with kidney disease or restricted sodium or potassium intake.
Sources for this answer
- Acidex Advance/Boots Advance/Care Advance/Numark Heartburn & Indigestion Relief Peppermint 1000 mg/200 mg/ 10 mg Oral Suspension — Current selected SmPCemc · Summary of Product Characteristics
- Acidex/Care/Numark Advance Heartburn & Indigestion Relief Aniseed 1000 mg/200 mg /10 ml Oral Suspension — Current selected SmPC