Lupin, Granules shares slip; street worried USFDA may recall diabetes drug Metformin Updated : May 28, 2020 06:12 PM IST The carcinogen found in the drug is the chemical compound NDMA or N-Nitrosodimethylamine Over the last couple of years, NDMA has gained attention over concerns of its presence in commonly used drugs Published : May 28, 2020 06:05 PM IST