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Potassium

Mineral

Also known as: Potassium citrate, Potassium chloride

A
Grade A
💊 99mg supplement limit (aim for 3500-4700mg from diet)🎯 4 primary uses🔗 3 synergies⚠️ Review warnings

Overview

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

Primary Uses
Blood pressureHeart rhythmMuscle functionElectrolyte balance

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

Mechanism of Action

  • • Blood pressure regulation
  • • Heart rhythm
  • • Sodium balance
  • • Muscle contraction

Evidence Quality

Evidence Grade A

Essential, widely deficient

Safety & Contraindications

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

Consult healthcare provider

Liver & Kidney Notes

Kidney disease is major contraindication

Interactions

💊 Medications
  • • ACE inhibitors
  • • ARBs
  • • Potassium-sparing diuretics
  • • NSAIDs
🧪 Supplements
  • • Works with magnesium
🍽️ Food & Alcohol
  • • With food

Stacking & Synergies

Pairs Well With
MagnesiumSodium (balance)Vitamin D
Avoid Combining With
Potassium-sparing meds
Best Goal Synergies
Blood pressureHeart rhythm

Buying Guide

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

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 — 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 — 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 — 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 — 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 — lowering the dose often resolves them.

Top Products with Potassium

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

Browse all Potassium products →

Related Guides

In-depth guides covering Potassium — protocols, comparisons, and use cases.

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