Potassium (Therapeutic)
Commonly used for
EnergyHeart HealthMuscle Cramps
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The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Potassium is essential for nerve conduction, muscle contraction, and maintaining a normal heart rhythm. Therapeutic supplementation should be reserved for documented hypokalemia because excessive potassium can cause life-threatening cardiac arrhythmias particularly in people with kidney disease.
How is it used? / Administration
Form: Potassium chloride; potassium citrate for kidney stone prevention
Typical dose studied: Highly individualized — mild deficiency often requires 20–40 mEq/day under clinician guidance
Timing: With meals and plenty of water; divide larger doses
Encourage potassium-rich foods first (bananas, potatoes, leafy greens, legumes). Evident Electrolytes* product contributes potassium as part of balanced formula. Prescription-strength potassium must be under clinician supervision.
How well does it work? / Evidence
✓ Well-established
Who should avoid it?
Avoid with: Chronic kidney disease (Stage 3, 4, or 5) — NOT on dialysis; Dialysis (Hemodialysis or Peritoneal Dialysis); Heart failure / Congestive heart failure; Hyperkalemia / Elevated blood potassium; Addison's disease / Adrenal insufficiency
Interacts with: ACE inhibitors; ARBs; Potassium-sparing diuretics (spironolactone, amiloride); NSAIDs
Already taking it? Regular monitoring of serum potassium and kidney function essential. Evident Electrolytes provides potassium as part of balanced electrolyte formula.
Research & references
Gennari FJ. (1998). Hypokalemia. NEJM. Palmer BF, Clegg DJ. (2017). Physiologic regulation of potassium homeostasis. CJASN. National Kidney Foundation. KDOQI Clinical Practice Guidelines for Potassium Disorders.
* Evident Elements is owned by the same person who owns Knozela. This entry is recommended here based on its ingredient profile, the same as any other entry — but given that ownership relationship, we wanted you to know.