Product Information
METFORMIN ER 1,000 MG GASTR-TB is a generic product labeled by Lupin Pharmaceuticals Inc., priced at $0.3701 per EA under NDC 68180033909. Its NADAC has been published 523 times since Jun 22, 2016.
Strength
1000 mg/1
Manufacturer
Lupin Pharmaceuticals Inc.NDC
68180033909
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
METFORMIN HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA091664On Market Since
2/1/2016
Pharmacological Classes
Price Statistics
The NADAC for METFORMIN ER 1,000 MG GASTR-TB has been published 523 times since Jun 22, 2016, and over the history we have for it it has declined 99.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3701 per EA |
|---|---|
| All-time high | $97.4889 (Jan 11, 2017) |
| All-time low | $0.3701 (Jun 17, 2026) |
| 52-week high | $0.5124 |
| 52-week low | $0.3701 |
| Median price | $7.0572 |
| Average price | $18.7152 |
| Largest weekly change | +118.1% (Feb 23, 2022) |
| Weeks tracked | 523 |
| Tracking since | Jun 22, 2016 |
Generic Alternatives
The matcher finds 6 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 6 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 94% 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 1,000 MG GASTR-TB?
The current National Average Drug Acquisition Cost (NADAC) for METFORMIN ER 1,000 MG GASTR-TB, manufactured by Lupin Pharmaceuticals Inc., is $0.3701 per EA (NDC 68180033909), effective Jun 24, 2026.
How has the price of METFORMIN ER 1,000 MG GASTR-TB changed over time?
Over the history we have for it, the NADAC for METFORMIN ER 1,000 MG GASTR-TB has declined 99.6%. It has been tracked across 523 weekly CMS publications since Jun 22, 2016.
What are the highest and lowest recorded NADAC prices for METFORMIN ER 1,000 MG GASTR-TB?
Since Jun 22, 2016, the NADAC for METFORMIN ER 1,000 MG GASTR-TB has ranged from a low of $0.3701 (Jun 17, 2026) to a high of $97.4889 (Jan 11, 2017), with a median of $7.0572 per EA.
Are there cheaper alternatives to METFORMIN ER 1,000 MG GASTR-TB?
Yes. 6 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, METFORMIN HCL 1,000 MG TABLET, is $0.0237 per EA — about 94% below METFORMIN ER 1,000 MG GASTR-TB.
Who manufactures METFORMIN ER 1,000 MG GASTR-TB?
METFORMIN ER 1,000 MG GASTR-TB (NDC 68180033909) is labeled by Lupin Pharmaceuticals Inc., and CMS classifies it as a generic product.
Related Drugs
Same classification