Nostrum Laboratories, Inc. is voluntarily recalling 2 (two) lots of Metformin HCl Extended Release Tablets, USP 500 mg to the consumer level. The Metformin HCl Extended Release Tablets, USP 500 mg have been found to contain levels of nitrosamine impurities above the ADI limit of 96 ng/day as publish

http://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/nostrum-laboratories-inc-issues-voluntary-nationwide-recall-metformin-hcl-extended-release-tablets-0