Product Information
METFORMIN HCL ER 500 MG TABLET is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.0298 per EA under NDC 29300038905. Its NADAC has been published 252 times since Sep 1, 2021.
Strength
500 mg/1
Manufacturer
Unichem Pharmaceuticals (USA) Inc.NDC
29300038905
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
METFORMIN HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA213359On Market Since
8/11/2021
Pharmacological Classes
Price Statistics
The NADAC for METFORMIN HCL ER 500 MG TABLET has been published 252 times since Sep 1, 2021, and over the history we have for it it has declined 19.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0298 per EA |
|---|---|
| All-time high | $0.0445 (Nov 16, 2022) |
| All-time low | $0.0238 (Nov 20, 2024) |
| 52-week high | $0.0299 |
| 52-week low | $0.0290 |
| Median price | $0.0317 |
| Average price | $0.0326 |
| Largest weekly change | +29.1% (Feb 22, 2023) |
| Weeks tracked | 252 |
| Tracking since | Sep 1, 2021 |
Generic Alternatives
The matcher finds 21 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 53% 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 HCL ER 500 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for METFORMIN HCL ER 500 MG TABLET, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.0298 per EA (NDC 29300038905), effective Jun 24, 2026.
How has the price of METFORMIN HCL ER 500 MG TABLET changed over time?
Over the history we have for it, the NADAC for METFORMIN HCL ER 500 MG TABLET has declined 19.9%. It has been tracked across 252 weekly CMS publications since Sep 1, 2021.
What are the highest and lowest recorded NADAC prices for METFORMIN HCL ER 500 MG TABLET?
Since Sep 1, 2021, the NADAC for METFORMIN HCL ER 500 MG TABLET has ranged from a low of $0.0238 (Nov 20, 2024) to a high of $0.0445 (Nov 16, 2022), with a median of $0.0317 per EA.
Are there cheaper alternatives to METFORMIN HCL ER 500 MG TABLET?
Yes. 21 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 53% below METFORMIN HCL ER 500 MG TABLET.
Who manufactures METFORMIN HCL ER 500 MG TABLET?
METFORMIN HCL ER 500 MG TABLET (NDC 29300038905) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.
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