Most of the prescriptions for 31 types of Metformin, which had been suspended for detection of excess impurities a year ago, have disappeared. Sales of drugs, including Metformin, rose, but some companies were virtually kicked out from the market. There are many opinions that the government should take a more careful suspension of sales.

According to the drug research agency UBIST on the 1st, JW Pharm's Guardmet had no outpatient prescription until May this year. It posted ₩4.2 billion in prescription performance during the same period last year, but has not sold since June.

Guardmet is a combination of JW Pharma's DPP-4 inhibitor Guardlet(Anagliptin) and Metformin. Although it emer