metFORMIN HCL ER 500 mg, a) 30 tablets (NDC 72789-009-30); b) 60 tablets (NDC 72789-009-60); c) 90 tablets (NDC 72789-009-90); d) 180 tablets (NDC 72789-009-93); e) 100 tablets (NDC 49483-0623-01) bottles, Rx only PD-Rx Pharmaceuticals Incorporated, Oklahoma City, OK 73127
CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
United States.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1333-2020