Mineral
Potassium Citrate
Also known as: Potassium, K citrate
Essential electrolyte for heart, muscle, and fluid balance. Citrate form may help prevent kidney stones.
Daily target & upper limit
4700 mg / dayPotassium Citrate has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
Potassium Citrate dosage reference →Primary uses
- Heart function
- Muscle function
- Blood pressure
- Kidney stone prevention
How it works
- Essential for cell membrane potential
- Heart rhythm regulation
- Balances sodium
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
Forms
- Potassium citrate
- Potassium chloride
Safety
Common side effects
- GI upset
Contraindications
- Kidney disease
- K-sparing diuretics
Products containing Potassium Citrate
Top-scoring supplements in our catalog that list Potassium Citrate on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.




Known interactions
Evidence notes
Essential electrolyte
Grade A: Multiple well-designed human trials support the main claims.
Related in Mineral
Check a full stack
Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.
Open the checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.