Phosphorus and Kidney Disease
Why phosphorus builds up in kidney disease and which foods to limit.
Last updated: 2026-09-24
Phosphorus works with calcium to build bone. In kidney failure it rises, weakening bones and stiffening blood vessels.
High-phosphorus foods
- Dairy products
- Whole pulses, nuts and seeds
- Cola drinks and processed foods with phosphate additives
Frequently asked questions
Why are colas bad for kidney patients?
Dark colas contain phosphate additives that are easily absorbed.