SAPROPTERIN treats high phenylalanine levels in people with
phenylketonuria (
PKU). It works by helping your body break down phenylalanine. This prevents it from building up in the blood. Changes to diet are often combined with this medication. Get Javygtor for as low as $4,431.84, which is 80% off the average retail price of $22,680.00 for the most common version, by using a GoodRx coupon.