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SupplementWell-studiedMineral

Potassium Chloride

Also known as Potassium

Half-life

Rapid renal regulation

What is Potassium Chloride?

Electrolyte essential for cell membrane potential, muscle contraction, and cardiac function.

How Potassium Chloride works

Maintains Na+/K+ ATPase gradient across cell membranes — critical for action potentials, muscle contraction, and cellular energy production.

Benefits & uses

  • Blood pressure support
  • Muscle/nerve function
  • Electrolyte balance

Common uses: Electrolyte balance, muscle function, blood pressure regulation, athletic performance, prevent hypokalemia.

Potassium Chloride dosage

Typical dose
Supplements capped low (99 mg); most intake from diet

Potassium Chloride half-life

Rapid renal regulation; no half-life in traditional sense

Potassium Chloride side effects

  • Hyperkalemia with overdose (dangerous — can cause arrhythmias)
  • GI irritation at high doses
  • Contraindicated with ACE inhibitors and potassium-sparing diuretics
  • Well tolerated from diet

Warnings & monitoring

  • High-dose potassium supplements can be dangerous (heart rhythm) — mostly get it from food

Track Potassium Chloride in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.

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More Mineral

For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.