Mineral
Potassium
Also known as: Potassium citrate, Potassium chloride
Essential electrolyte for blood pressure and heart function. Most Americans are deficient.
Daily target & upper limit
4700 mg / dayPotassium has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
Potassium dosage reference →Primary uses
- Blood pressure
- Heart rhythm
- Muscle function
- Electrolyte balance
How it works
- Blood pressure regulation
- Heart rhythm
- Sodium balance
- Muscle contraction
Dosage
- Typical range
- 99mg supplement limit (aim for 3500-4700mg from diet)
- Timing
- With food, divided
- With food
- Yes
- Duration
- Ongoing (mainly from food)
- Special populations
- Hypertension, diuretic users, heavy sweaters
Forms
- Citrate
- Chloride
- From food
Safety
Common side effects
- GI upset
Contraindications
- Kidney disease
- Taking potassium-sparing drugs
Products containing Potassium
Top-scoring supplements in our catalog that list Potassium 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, widely deficient
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.