Product Information
METFORMIN ER 1,000 MG GASTR-TB is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $0.3988 per EA under NDC 47335030688. Its NADAC has been published 398 times since Jul 11, 2018.
FDA first approved this application on Aug 1, 2016.
Strength
1000 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
47335030688
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Effective Date
2/18/2026
Active Ingredients
METFORMIN HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA202917FDA Approved
8/1/2016
On Market Since
5/22/2018
Pharmacological Classes
Price Statistics
The NADAC for METFORMIN ER 1,000 MG GASTR-TB has been published 398 times since Jul 11, 2018, and over the history we have for it it has declined 98.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3988 per EA |
|---|---|
| All-time high | $24.7899 (Jul 11, 2018) |
| All-time low | $0.3988 (Feb 18, 2026) |
| 52-week high | $0.5124 |
| 52-week low | $0.3988 |
| Median price | $4.6542 |
| Average price | $6.4444 |
| Largest weekly change | +118.1% (Feb 23, 2022) |
| Weeks tracked | 398 |
| Tracking since | Jul 11, 2018 |
1W
N/A
1M
N/A
3M
N/A
6M
N/A
1Y
-22.2%
3Y
-82.2%
5Y
-94.4%
All
-98.4%
Last surveyed Feb 18, 2026 — this NDC no longer appears in the current weekly NADAC file.
Generic Alternatives
The matcher finds 15 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, 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.
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Sun Pharmaceutical Industries Inc. manufacturer profile
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Drug market
Metformin Hydrochloride market comparison
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Therapeutic class
Biguanide class view
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Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
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 Sun Pharmaceutical Industries Inc., is $0.3988 per EA (NDC 47335030688), effective Feb 18, 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 98.4%. It has been tracked across 398 weekly CMS publications since Jul 11, 2018.
What are the highest and lowest recorded NADAC prices for METFORMIN ER 1,000 MG GASTR-TB?
Since Jul 11, 2018, the NADAC for METFORMIN ER 1,000 MG GASTR-TB has ranged from a low of $0.3988 (Feb 18, 2026) to a high of $24.7899 (Jul 11, 2018), with a median of $4.6542 per EA.
Are there cheaper alternatives to METFORMIN ER 1,000 MG GASTR-TB?
Yes. 15 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, METFORMIN HCL 1,000 MG TABLET, is $0.0231 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 47335030688) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.