mineral
Potassium
Evidence: High · 100%
Half-life
—
Typical timing
with_meal
Food rule
with food
Default unit
mg
Studied for
Overview
Potassium is an essential mineral naturally present in many foods and available as a dietary supplement. It is a major electrolyte that plays a critical role in numerous bodily functions. As an electrolyte, potassium carries a small electrical charge that helps regulate fluid balance, nerve signals, and muscle contractions. The kidneys are responsible for maintaining normal potassium levels in the body, excreting excess amounts through urine.
Potassium is found in a wide variety of foods, with fruits, vegetables, and dairy products being particularly good sources. The recommended intake of potassium varies by age and other factors. Deficiencies (hypokalemia) and excesses (hyperkalemia) of potassium can lead to significant health problems, highlighting the importance of maintaining appropriate levels. (NIH Office of Dietary Supplements, MedlinePlus)
Deep dive
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Known interactions
- Compound-pair ruleCaution
ACE inhibitors like lisinopril can raise potassium; adding potassium supplements can push it too high.
Don't add potassium without provider guidance and monitoring.
Frequently asked
Sources referenced
- NIH Office of Dietary Supplements
- MedlinePlus
- PubChem
- Mayo Clinic
- DrugBank
- Cochrane Review
- FDA Label
- NIH National Heart, Lung, and Blood Institute
DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician.
Cite this page
Using this in an article, AI answer, or research note? Please attribute:
DoseRoutine. (2026). Potassium — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/potassium
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