NDC 51655-555

Metformin Hydrochloride Extended Release 500 mg tablet, extended release

On the label: Northwind Pharmaceuticals. It's repackaged: Northwind Pharmaceuticals rebottles it from Time Cap Laboratories's NDC 49483-623.

Where the pills inside were made

Repackaging site

• Northwind Health Company, LLC, Indianapolis, IN, United States · repackages it

Recalls

• Oct 2, 2020 · Class II · Marksans Pharma Limited
  CGMP Deviations: detection of N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
  Lots: a) 90 count: E072F, E074F, E076F Oct-20; D096F, H029F, H031F,XP8276, XP8289 Nov-20; L007F, J022F, H039F, Dec-20; J092F Jan-21; L055F Jun-21; K079F Jul-21; A002G, A003G, A007G Aug-21; A49001 Nov-21; A40001, A40003, A40005 Dec-21; A40009 Feb-22; A40010, XP0036, A40013 Mar-22; A40015 Apr-22 b) …
• Oct 2, 2020 · Class II · Marksans Pharma Limited
  CGMP Deviations: detection of N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
  Lots: M125E Oct-20; D001F, C084F Nov-20; F073F, E063F Jan-21; F072F Mar-21; J002F, J087F Apr-21; K080F, L056F Jun 21; M046F, Jul-21; 9R9001, Oct-21; 9R9002, Nov-21; 9R0001, 9R0002 Dec-21; 9R0003, XR0016, 9R0004, 9R0005 Mar-22; 9R0006, 9R0007 Apr-22
• Jun 5, 2020 · Class II · Marksans Pharma Limited
  CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
  Lots: XP9004, exp 12/2020

Class I recalls are the most serious; Class III the least. A recall covers specific lots, listed on each recall.

Product details

Generic drug

Metformin: every company that makes it

Form

tablet, extended release, oral

Strength

500 mg

Approval

ANDA ANDA090295

On the market since

Dec 30, 2025

Package NDCs

51655-555-96

Official label

DailyMed (National Library of Medicine), updated Jan 1, 2026

Got it by mail or from a pharmacy you don't know? Look the pharmacy up on Who Filled My Rx?