Product Information
METFORMIN ER 500 MG GASTRC-TB is a generic product labeled by Micro Labs Limited, priced at $0.2781 per EA under NDC 42571033301. Its NADAC has been published 146 times since Sep 13, 2023.
Strength
500 mg/1
Manufacturer
Micro Labs LimitedNDC
42571033301
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
METFORMIN HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA212448On Market Since
3/1/2023
Pharmacological Classes
Price Statistics
The NADAC for METFORMIN ER 500 MG GASTRC-TB has been published 146 times since Sep 13, 2023, and over the history we have for it it has declined 54.0%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2781 per EA |
|---|---|
| All-time high | $0.6566 (May 15, 2024) |
| All-time low | $0.2781 (Jun 17, 2026) |
| 52-week high | $0.3965 |
| 52-week low | $0.2781 |
| Median price | $0.4181 |
| Average price | $0.4563 |
| Largest weekly change | +56.8% (Mar 20, 2024) |
| Weeks tracked | 146 |
| Tracking since | Sep 13, 2023 |
Generic Alternatives
The matcher finds 20 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 10 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 95% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Frequently asked questions
What is the NADAC price of METFORMIN ER 500 MG GASTRC-TB?
The current National Average Drug Acquisition Cost (NADAC) for METFORMIN ER 500 MG GASTRC-TB, manufactured by Micro Labs Limited, is $0.2781 per EA (NDC 42571033301), effective Jun 24, 2026.
How has the price of METFORMIN ER 500 MG GASTRC-TB changed over time?
Over the history we have for it, the NADAC for METFORMIN ER 500 MG GASTRC-TB has declined 54.0%. It has been tracked across 146 weekly CMS publications since Sep 13, 2023.
What are the highest and lowest recorded NADAC prices for METFORMIN ER 500 MG GASTRC-TB?
Since Sep 13, 2023, the NADAC for METFORMIN ER 500 MG GASTRC-TB has ranged from a low of $0.2781 (Jun 17, 2026) to a high of $0.6566 (May 15, 2024), with a median of $0.4181 per EA.
Are there cheaper alternatives to METFORMIN ER 500 MG GASTRC-TB?
Yes. 20 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, METFORMIN HCL 500 MG TABLET, is $0.0140 per EA — about 95% below METFORMIN ER 500 MG GASTRC-TB.
Who manufactures METFORMIN ER 500 MG GASTRC-TB?
METFORMIN ER 500 MG GASTRC-TB (NDC 42571033301) is labeled by Micro Labs Limited, and CMS classifies it as a generic product.
Related Drugs
Same classification