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DASH Diet Safe for Blood Pressure Patients on Medications

New research finds the DASH diet, rich in potassium, is safe for adults on blood pressure meds and NSAIDs, not raising potassium to dangerous levels.

This news matters because millions of adults with high blood pressure take medications that can increase potassium levels, and they may worry that following the DASH diet—a proven approach to lowering blood pressure—could dangerously elevate their potassium. The study provides preliminary evidence that the DASH diet does not cause dangerous potassium increases in this population, offering reassurance to patients and clinicians. It supports the broader adoption of the DASH diet, which emphasizes nutrient-rich foods and aligns with heart-healthy dietary guidance. However, further research is needed for those with advanced kidney disease or higher baseline potassium. This could lead to more personalized dietary recommendations, helping more people manage their blood pressure safely and effectively without fear of hyperkalemia.