Metformin Extended-Release (Viona) - NDMA Contamination (2021)
Class II: A situation in which use of, or exposure to, a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote
Class II recall indicates potential for temporary health effects.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Metformin Hydrochloride Extended-Release Tablets, USP 750 mg, 100 Tablets, Rx only, Manufactured by: Cadila Healthcare Ltd. Ahmedabad, India. Distributed by: Viona Pharmaceuticals Inc. Cranford, NJ 07016 NDC 72578-036-01
Brand
VIONA PHARMACEUTICALS INC
Lot Codes / Batch Numbers
Lot M915601 & M915602, Oct 2021
Products Sold
Lot M915601 & M915602, Oct 2021
VIONA PHARMACEUTICALS INC is recalling Metformin Hydrochloride Extended-Release Tablets, USP 750 mg, 100 Tablets, Rx only, Manufactured by: due to CGMP Deviations: Detection of N-Nitrosodimethylamine (NDMA) levels in excess of the Acceptable Daily Intake Limit.. This is a Class I recall, indicating a high risk of serious health consequences. Based on FDA drug enforcement report.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
CGMP Deviations: Detection of N-Nitrosodimethylamine (NDMA) levels in excess of the Acceptable Daily Intake Limit.
Recommended Action
Per FDA guidance
Consumers should stop using the product and contact the recalling firm, their healthcare provider, or return it to the place of purchase.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 7, 2026