Potassium Citrate
Mineral
Also known as: Potassium, K citrate
A
Grade A💊 99 mg per serving (OTC limit)🎯 4 primary uses🔗 2 synergies⚠️ Review warnings
Levels upNutrition+50 pts
Overview
Essential electrolyte for heart, muscle, and fluid balance. Citrate form may help prevent kidney stones.
Primary Uses
Heart functionMuscle functionBlood pressureKidney stone prevention
Frequently Asked About Potassium Citrate
How much Potassium Citrate should I take?
The typical effective range is 99 mg per serving (OTC limit). 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 Citrate?
With meals. 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 Citrate with food?
Yes.
Does Potassium Citrate interact with medications?
Yes — known interactions include ACE inhibitors increase K and K-sparing diuretics dangerous. If you take any prescription medication, talk to your doctor or pharmacist before starting Potassium Citrate.
What does Potassium Citrate pair well with?
Potassium Citrate stacks well with Sodium and Magnesium — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Potassium Citrate?
Potassium Citrate should be avoided or used with caution by people with Kidney disease and K-sparing diuretics. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Potassium Citrate?
Most people tolerate Potassium Citrate well. The most commonly reported side effects are GI upset. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
99 mg per serving (OTC limit)
Timing
With meals
With food
Yes
Duration
Safe long-term
Special Populations
Kidney disease consult doctor
Research & Studies
Search the literature now
We haven’t curated landmark studies for Potassium Citrateyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Search Potassium Citrate research
Mechanism of Action
- • Essential for cell membrane potential
- • Heart rhythm regulation
- • Balances sodium
Evidence Quality
Evidence Grade A
Essential electrolyte
Safety & Contraindications
Serious Warnings
- • Hyperkalemia risk
- • Heart rhythm effects
Contraindications
- • Kidney disease
- • K-sparing diuretics
Common Side Effects
- • GI upset
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Dangerous in kidney disease
Interactions
💊 Medications
- • ACE inhibitors increase K
- • K-sparing diuretics dangerous
🧪 Supplements
- • Balance with Na and Mg
🍽️ Food & Alcohol
- • Bananas, potatoes high
Stacking & Synergies
Pairs Well With
Avoid Combining With
K-sparing meds
Best Goal Synergies
Blood pressureHydration
Buying Guide
What to Look For
- • Quality manufacturer
Standardization Markers
mg potassium
Adulteration risk
Low
Practical Notes
- • OTC limited to 99mg
- • Most need more from diet
Tags
electrolyteheart healthblood pressure
Related Guides
In-depth guides covering Potassium Citrate — protocols, comparisons, and use cases.
More in Mineral
Other ingredients in the Mineral category.
Boron
Trace mineral supporting bone health, cognitive function, and hormone metabolism. May support testosterone in deficient states.
Calcium
Essential mineral for bone health, muscle function, nerve signaling, and blood clotting.
Calcium Carbonate
Common, economical calcium form with highest elemental calcium percentage. Requires stomach acid for absorption.
Calcium Citrate
Well-absorbed calcium form that doesn't require stomach acid. Better for those on acid-reducing medications.
Chloride
Essential electrolyte mineral that works with sodium and potassium to maintain fluid balance, nerve transmission, and stomach acid production.
Chromium Picolinate
Trace mineral for insulin sensitivity and blood sugar regulation. Popular for carb cravings.
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 Citrate — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/potassium-citrate
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.