SODIUM POLYSTYRENE SULFONATE treats
high potassium levels in your body. It works by lowering the amount of
potassium your body absorbs from food. It belongs to a group of medications called
potassium binders. Get Sps for as low as $13.76, which is 83% off the average retail price of $81.80 for the most common version, by using a GoodRx coupon.