Kansas City, Missouri, Nostrum Laboratories, Inc. is voluntarily recalling 2 (two) lots of Metformin HCl Extended Release Tablets, USP 750 mg to the consumer level. The Metformin HCl Extended Release Tablets, USP 750 mg have been found to contain levels of nitrosamine impurities above the ADI limit

http://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/nostrum-laboratories-inc-issues-voluntary-nationwide-recall-metformin-hcl-extended-release-tablets