Mineral

Potassium

Also known as: Potassium citrate, Potassium chloride

Evidence

Essential electrolyte for blood pressure and heart function. Most Americans are deficient.

Primary uses

Blood pressure
Heart rhythm
Muscle function
Electrolyte balance

How it works

Blood pressure regulation
Heart rhythm
Sodium balance
Muscle contraction

Dosage

Typical range: 99mg supplement limit (aim for 3500-4700mg from diet)
Timing: With food, divided
With food: Yes
Duration: Ongoing (mainly from food)
Special populations: Hypertension, diuretic users, heavy sweaters

Forms

Citrate
Chloride
From food

Safety

Common side effects

GI upset

Contraindications

Kidney disease
Taking potassium-sparing drugs

Known interactions

Evidence notes

Essential, widely deficient

Grade A: Multiple well-designed human trials support the main claims.

Related in Mineral

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