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โ† Encyclopedia

Potassium

Mineral

Also known as: Potassium citrate, Potassium chloride

A
Grade A
๐Ÿ’Š 99mg supplement limit (aim for 3500-4700mg from diet)๐ŸŽฏ 4 primary uses๐Ÿ”— 3 synergiesโš ๏ธ Review warnings
Compare Check interactions
Levels upNutrition+50 pts

Overview

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

Primary Uses
Blood pressureHeart rhythmMuscle functionElectrolyte balance

Frequently Asked About Potassium

How much Potassium should I take?
The typical effective range is Diet-first; supplements limited. Individual needs vary based on age, body weight, diet, and goals โ€” start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Potassium?
With food, divided. Consistency matters more than perfect timing โ€” pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Potassium with food?
Yes.
Does Potassium interact with medications?
Yes โ€” known interactions include ACE inhibitors, ARBs, and Potassium-sparing diuretics. If you take any prescription medication, talk to your doctor or pharmacist before starting Potassium.
What does Potassium pair well with?
Potassium stacks well with Magnesium, Sodium (balance), and Vitamin D โ€” these combinations either improve absorption or work synergistically toward common goals.
Who should not take Potassium?
Potassium should be avoided or used with caution by people with Kidney disease and Taking potassium-sparing drugs. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Potassium?
Most people tolerate Potassium well. The most commonly reported side effects are GI upset. Side effects are usually dose-dependent โ€” lowering the dose often resolves them.

Dosage

Typical range
99mg supplement limit (aim for 3500-4700mg from diet)
Timing
With food, divided
With food
Yes
Dose Tiers
RDA / DV
2,600-3,400 mg
Moderate
99 mg per supplement pill
Optimal
Diet-first; supplements limited
Upper Limit
No UL from food; supplement caution if kidney issues
Duration

Ongoing (mainly from food)

Special Populations

Hypertension, diuretic users, heavy sweaters

Research & Studies

Search the literature now

We havenโ€™t curated landmark studies for Potassiumyet โ€” one-click into the primary literature here. PubMedย (RCTs) is usually the highest-signal starting point.

Search Potassium research
PubMed (RCTs) โ†—Randomized trialsPubMed (all) โ†—Full literatureCochrane Reviews โ†—Systematic reviewsExamine.com โ†—Research summaries
Browse all curated studies โ†’

Mechanism of Action

  • โ€ข Blood pressure regulation
  • โ€ข Heart rhythm
  • โ€ข Sodium balance
  • โ€ข Muscle contraction

Evidence Quality

Evidence Grade A

Essential, widely deficient

Safety & Contraindications

Serious Warnings
  • โ€ข Hyperkalemia (dangerous)
  • โ€ข Heart rhythm issues
Contraindications
  • โ€ข Kidney disease
  • โ€ข Taking potassium-sparing drugs
Common Side Effects
  • โ€ข GI upset
Pregnancy & Breastfeeding

Consult healthcare provider

Liver & Kidney Notes

Kidney disease is major contraindication

Interactions

๐Ÿ’Š Medications
  • โ€ข ACE inhibitors
  • โ€ข ARBs
  • โ€ข Potassium-sparing diuretics
  • โ€ข NSAIDs
๐Ÿงช Supplements
  • โ€ข Works with magnesium
๐Ÿฝ๏ธ Food & Alcohol
  • โ€ข With food

Stacking & Synergies

Avoid Combining With
Potassium-sparing meds
Best Goal Synergies
Blood pressureHeart rhythm

Buying Guide

What to Look For
  • โ€ข Limited to 99mg per dose
Standardization Markers
Elemental potassium content
Adulteration risk
Low
Practical Notes
  • โ€ข Get most from food (bananas, potatoes)
  • โ€ข Supplements limited to 99mg
Tags
heartmineralblood pressureelectrolyte

Top Products with Potassium

Highest-scored catalog products containing Potassium, ranked by our scoring engine.

Browse all Potassium products โ†’

Related Guides

In-depth guides covering Potassium โ€” protocols, comparisons, and use cases.

More in Mineral

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Trace mineral supporting bone health, cognitive function, and hormone metabolism. May support testosterone in deficient states.
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Calcium
Essential mineral for bone health, muscle function, nerve signaling, and blood clotting.
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Calcium Carbonate
Common, economical calcium form with highest elemental calcium percentage. Requires stomach acid for absorption.
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Calcium Citrate
Well-absorbed calcium form that doesn't require stomach acid. Better for those on acid-reducing medications.
A
Chloride
Essential electrolyte mineral that works with sodium and potassium to maintain fluid balance, nerve transmission, and stomach acid production.
A
Chromium Picolinate
Trace mineral for insulin sensitivity and blood sugar regulation. Popular for carb cravings.
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Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Potassium โ€” Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/potassium

Educational content based on published research and our scoring methodology. Not medical advice โ€” consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.