Product Information
GNP MUCUS ER 1,200 MG TABLET is a generic product labeled by AmerisourceBergen, priced at $0.4316 per EA under NDC 46122081404. Its NADAC has been published 61 times since Aug 6, 2025.
FDA first approved this application on Nov 23, 2011.
Strength
1200 mg/1
Manufacturer
AmerisourceBergenNDC
46122081404
Classification
Generic
Dosage Form
TABLET, MULTILAYER, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
GUAIFENESINApproval Type
Generic (ANDA)
FDA Application
ANDA078912FDA Approved
11/23/2011
On Market Since
6/17/2025
Pharmacological Classes
Price Statistics
The NADAC for GNP MUCUS ER 1,200 MG TABLET has been published 61 times since Aug 6, 2025, and over the history we have for it it has declined 5.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.4316 per EA |
|---|---|
| All-time high | $0.4613 (Nov 12, 2025) |
| All-time low | $0.4044 (Jan 21, 2026) |
| 52-week high | $0.4613 |
| 52-week low | $0.4044 |
| Median price | $0.4470 |
| Average price | $0.4406 |
| Largest weekly change | +6.3% (Apr 22, 2026) |
| Weeks tracked | 61 |
| Tracking since | Aug 6, 2025 |
Generic Alternatives
The matcher finds 3 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). 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.
Related Drugs
Same classification
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Manufacturer
AmerisourceBergen manufacturer profile
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Drug market
guaifenesin market comparison
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Therapeutic class
Expectorant class view
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Trend hub
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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 GNP MUCUS ER 1,200 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for GNP MUCUS ER 1,200 MG TABLET, manufactured by AmerisourceBergen, is $0.4316 per EA (NDC 46122081404), effective Sep 30, 2026.
How has the price of GNP MUCUS ER 1,200 MG TABLET changed over time?
Over the history we have for it, the NADAC for GNP MUCUS ER 1,200 MG TABLET has declined 5.9%. It has been tracked across 61 weekly CMS publications since Aug 6, 2025.
What are the highest and lowest recorded NADAC prices for GNP MUCUS ER 1,200 MG TABLET?
Since Aug 6, 2025, the NADAC for GNP MUCUS ER 1,200 MG TABLET has ranged from a low of $0.4044 (Jan 21, 2026) to a high of $0.4613 (Nov 12, 2025), with a median of $0.4470 per EA.
Are there cheaper alternatives to GNP MUCUS ER 1,200 MG TABLET?
3 manufacturers publish a NADAC-priced product with the same active ingredient and strength as GNP MUCUS ER 1,200 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures GNP MUCUS ER 1,200 MG TABLET?
GNP MUCUS ER 1,200 MG TABLET (NDC 46122081404) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.