A few entrepreneurs say they are aiming to fundamentally change the way people buy drugs, bringing the industry into the digital age by disclosing the lowest prices for generic prescriptions to allow comparison-shopping. … Nearly 90 percent of the prescriptions dispensed in the United States are for generic drugs, according to IMS Health, a consulting firm. … The listed price for a 30-day supply of the generic version of Lipitor, for example, is $196 at Kmart, according to GoodRx, and $61 at Kroger. With a coupon obtained through GoodRx, the drug is about $12. Blink Health is offering Lipitor for $9.94. Read More ›