Effer-K® is not expensive. We are asked frequently about the cost of Effer-K®, so we have actually called pharmacies and found that the average cash price to be between $17 - $22 for 30 effervescent 10 or 20 mEq tablets. In some cases this was less expensive than KCl tablets and capsules in the equivalent strengths.

Effer-K® is not expensive. We are asked frequently about the cost of Effer-K®, so we have actually called pharmacies and found that the average cash price to be between $17 - $22 for 30 effervescent 10 or 20 mEq tablets. In some cases this was less expensive than KCl tablets and capsules in the equivalent strengths.