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arbs and potassium

ARBs + Potassium: Hyperkalemia risk

What's happening

ARBs (losartan, valsartan, olmesartan) also reduce potassium excretion like ACE inhibitors. Same dangerous hyperkalemia risk with potassium supplements.

Recommendation

Avoid potassium supplements on ARBs without medical supervision.

Timing

Regular potassium blood tests if supplementing

Sources

  • Journal of the American Society of Nephrology
  • PMID: 10073315

Frequently Asked Questions

Can I take arbs and potassium together?

ARBs + Potassium: Hyperkalemia risk. Avoid potassium supplements on ARBs without medical supervision.

How should I time arbs and potassium?

Regular potassium blood tests if supplementing

Is this interaction dangerous?

This interaction is rated “Danger” by Formulate. ARBs (losartan, valsartan, olmesartan) also reduce potassium excretion like ACE inhibitors. Same dangerous hyperkalemia risk with potassium supplements.

Want to check your whole stack?

The free checker lets you add any combination of supplements and medications at once. Formulate's desktop app goes further — every stack change surfaces interaction alerts automatically.

Medical disclaimer. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.