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Mineral · in-depth review

Potassium

Potassium

Potassium helps maintain fluid balance in cells, nerve signaling, muscle contraction, and a normal heart rhythm.

Also known asKElemental Potassium

Maintains nerve and muscle function

The potassium ion gradient supports nerve signaling and muscle contraction.

Mechanism: Established

Supports blood pressure management

Adequate dietary potassium is linked with healthier blood-pressure levels.

Clinical evidence: Moderate
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With foodTake with meals and plenty of water
Best timeFollow your doctor or the product label

Potassium supplement doses are usually low; do not treat low blood potassium yourself with salt substitutes.

General wellnessAdult men 3,400 mg/day; adult women 2,600 mg/day (AI, total from food and supplements)
Specific needsLow blood potassium should be treated only by a doctor using blood tests.

How oftenGet it mainly from food; use supplements only as a clinician directs.

Cautions

People with kidney or heart disease, or who take ACE inhibitors, ARBs, or potassium-sparing diuretics, should not self-start potassium.

High blood potassium can cause dangerous heart-rhythm problems.

Common side effects

· Stomach discomfort

· Nausea

Rare but important

· High blood potassium can cause muscle weakness and heart-rhythm problems.

Long-term dependenceNot addictive; buildup with impaired kidney function can cause high blood potassium.

Medical disclaimerThis page is compiled by the HerbBB editorial team for general health information only. It is not a substitute for advice from a doctor, pharmacist, or other qualified clinician. If you have a health condition, take medicines, or are pregnant or breastfeeding, speak with a professional first.