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Mineral · in-depth review

Potassium Chloride

Potassium Chloride

Potassium chloride is the potassium salt most common in supplements and reduced-sodium salts. Blood-pressure trials mostly use this form; chloride anion accompanies potassium into body fluids.

Also known asNo common aliases yet
Related diseasesHypertension

Marked asPrimarySupporting

Primary

Helps maintain blood pressure

Reduced-sodium salts replace part of table salt with potassium chloride, keeping a salty taste while sending potassium into cooking. Potassium promotes urinary sodium excretion and relaxes vascular smooth muscle. Most potassium repletion in adult blood-pressure trials is this chloride salt; people managing blood pressure meet it most often.

Supporting

Maintains neuromuscular excitability

The sodium-potassium pump drives potassium into cells, creating resting potential; repolarization depends on potassium leaving through channels. Heavy sweating loses potassium in sweat; potassium chloride puts this intracellular cation back so calf twitching and weakness follow less often.

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Muscle cramps

The sodium-potassium pump drives potassium into cells, creating resting potential; repolarization depends on potassium leaving through channels. People whose calves seize at night or whose muscles stay hard after training more often notice fewer cramps and less morning leg ache after several continuous weeks.

High blood pressure symptoms

Reduced-sodium salts replace part of table salt with potassium chloride, keeping a salty taste while sending potassium into cooking. People with heavy heads and tight necks in the morning and higher readings more often notice the numbers and a clearer head after several continuous weeks.

Hypertension

Reduced-sodium salts replace part of table salt with potassium chloride, keeping a salty taste while sending potassium into cooking. People with high home readings and a heavy, tight neck more often notice the numbers and a clearer head after several continuous weeks.

With foodTake with food and enough water; follow the doctor's or product directions exactly
Best timeMorning or midday (at a consistent time)
SolubilityWater-soluble

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 needsSupplement servings commonly stay at or below 99 mg elemental potassium; high-dose potassium salts can cause hyperkalemia, the daily safety upper limit must be decided by a clinician using blood tests, do not replace this with high-dose salts on your own.

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

Cautions

People with kidney or heart disease or on ACE inhibitors/ARBs/potassium-sparing diuretics must not self-supplement potassium.

Hyperkalemia can cause dangerous arrhythmias.

Interactions

  1. ACE inhibitors/ARBs, potassium-sparing diuretics, aldosterone antagonists (hyperkalemia)
  2. Do not stack on prescribed potassium
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.

Sources

These are institution pages you can check—not a certification of this ingredient.

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.