Potassium
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Potassium. Major intracellular cation essential for BP control, muscle function, and acid-base balance.
How it works. Maintains resting membrane potential; counterbalances sodium for BP regulation.
What the research supports. 2 graded claims. Strongest: Lowers BP in hypertensives (strong).
How much to take. Typical dose: 4,700 mg/d from diet; supplements limited to 99 mg/tablet OTC in US.
Side effects and interactions. 1 medication interaction listed. Serious: Hyperkalemic arrhythmia in CKD/ACEi users.
Stacking. Pairs well with Omega-3, CoQ10.
Forms. 1 forms. Pick one to open its profile.
Key studies. 9 studies cited. The strongest are listed with links to PubMed.
Community. Experiences from people who have tried Potassium. Anecdotes are not medical advice.
Potassium. Major intracellular cation essential for BP control, muscle function, and acid-base balance.
What it is
Major intracellular cation essential for BP control, muscle function, and acid-base balance.
Food sources
Goals
How it works
Maintains resting membrane potential; counterbalances sodium for BP regulation.
Pathways
- Na/K ATPase
- Vascular smooth muscle relaxation
Effects
- ↓Blood pressure (in high-sodium diets) decreases
What the research supports
Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.
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Side effects & interactions
Common side effects
- GI upset
Serious
- Hyperkalemic arrhythmia in CKD/ACEi users
Medication interactions
Hyperkalemia risk.
Check any supplement–medication combination with your pharmacist before starting.
Combines with
Pairs well
- Omega-3Anti-inflammatory cardiovascular synergy.
- CoQ10Supports mitochondrial energetics in cardiac tissue.
Key studies
9 studies cited in total.
Opens current human and preclinical literature matching Potassium and "Lowers BP in hypertensives". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Potassium and "Reduces stroke risk". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Potassium and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
Discussion
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