Answer
Yes. Both form part of its counterion complex. This matters for hereditary fructose intolerance and for people at risk of high blood calcium.
Sources for this answer
- Veltassa (Patiromer) 8.4 g powder for oral suspension — 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.