Product Information
METFORMIN HCL 500 MG/5 ML SOLN is a generic product labeled by VistaPharm, LLC, priced at $0.4239 per ML under NDC 66689031816. Its NADAC has been published 173 times since Mar 8, 2023.
Strength
500 mg/5mL
Manufacturer
VistaPharm, LLCNDC
66689031816
Classification
Generic
Dosage Form
SOLUTION
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
METFORMIN HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA212677On Market Since
12/19/2022
Pharmacological Classes
Price Statistics
The NADAC for METFORMIN HCL 500 MG/5 ML SOLN has been published 173 times since Mar 8, 2023, and over the history we have for it it has declined 52.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.4239 per ML |
|---|---|
| All-time high | $0.9181 (Jun 14, 2023) |
| All-time low | $0.4021 (Apr 22, 2026) |
| 52-week high | $0.6946 |
| 52-week low | $0.4021 |
| Median price | $0.6717 |
| Average price | $0.6976 |
| Largest weekly change | -22.8% (May 22, 2024) |
| Weeks tracked | 173 |
| Tracking since | Mar 8, 2023 |
Generic Alternatives
The matcher finds 3 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 3 manufacturers (up to 10 shown below). None of the shown alternatives sit below the current price. 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 500 MG/5 ML SOLN?
The current National Average Drug Acquisition Cost (NADAC) for METFORMIN HCL 500 MG/5 ML SOLN, manufactured by VistaPharm, LLC, is $0.4239 per ML (NDC 66689031816), effective Jun 24, 2026.
How has the price of METFORMIN HCL 500 MG/5 ML SOLN changed over time?
Over the history we have for it, the NADAC for METFORMIN HCL 500 MG/5 ML SOLN has declined 52.4%. It has been tracked across 173 weekly CMS publications since Mar 8, 2023.
What are the highest and lowest recorded NADAC prices for METFORMIN HCL 500 MG/5 ML SOLN?
Since Mar 8, 2023, the NADAC for METFORMIN HCL 500 MG/5 ML SOLN has ranged from a low of $0.4021 (Apr 22, 2026) to a high of $0.9181 (Jun 14, 2023), with a median of $0.6717 per ML.
Are there cheaper alternatives to METFORMIN HCL 500 MG/5 ML SOLN?
3 NADAC-published products share the same active ingredient, strength, and dosage form as METFORMIN HCL 500 MG/5 ML SOLN, but none are currently priced below it.
Who manufactures METFORMIN HCL 500 MG/5 ML SOLN?
METFORMIN HCL 500 MG/5 ML SOLN (NDC 66689031816) is labeled by VistaPharm, LLC, and CMS classifies it as a generic product.
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