Effer-K

POTASSIUM BICARBONATE prevents and treats low levels of potassium in your body. Potassium plays an important role in maintaining the health of your kidneys, heart, muscles, and nervous system.

Get Effer-K for as low as $16.58, which is 36% off the average retail price of $26.08 for the most common version, by using a GoodRx coupon.