Most adults are deficient (only 3% meet AI of 4,700mg/day). Potassium reduces BP by 3-6 mmHg — the magnitude of effect rivals some BP medications. DASH diet works primarily through potassium. Supplement limit: 99mg per capsule (FDA regulation — higher doses require prescription). Best obtained through diet (banana=422mg, potato=926mg, coconut water=600mg). --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.