Product Information
GNP MUCUS-ER MAX 1,200 MG TAB is a generic product labeled by AmerisourceBergen, priced at $0.4316 per EA under NDC 46122068374. Its NADAC has been published 260 times since Oct 13, 2021.
FDA first approved this application on May 8, 2020.
Strength
1200 mg/1
Manufacturer
AmerisourceBergenNDC
46122068374
Classification
Generic
Dosage Form
TABLET, MULTILAYER, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
GUAIFENESINApproval Type
Generic (ANDA)
FDA Application
ANDA213420FDA Approved
5/8/2020
On Market Since
3/29/2021
Pharmacological Classes
Price Statistics
The NADAC for GNP MUCUS-ER MAX 1,200 MG TAB has been published 260 times since Oct 13, 2021, and over the history we have for it it has declined 6.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.4316 per EA |
|---|---|
| All-time high | $0.4854 (Aug 16, 2023) |
| All-time low | $0.4044 (Jan 21, 2026) |
| 52-week high | $0.4613 |
| 52-week low | $0.4044 |
| Median price | $0.4634 |
| Average price | $0.4605 |
| Largest weekly change | +6.3% (Apr 22, 2026) |
| Weeks tracked | 260 |
| Tracking since | Oct 13, 2021 |
Generic Alternatives
The matcher finds 6 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 MAX 1,200 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for GNP MUCUS-ER MAX 1,200 MG TAB, manufactured by AmerisourceBergen, is $0.4316 per EA (NDC 46122068374), effective Sep 30, 2026.
How has the price of GNP MUCUS-ER MAX 1,200 MG TAB changed over time?
Over the history we have for it, the NADAC for GNP MUCUS-ER MAX 1,200 MG TAB has declined 6.1%. It has been tracked across 260 weekly CMS publications since Oct 13, 2021.
What are the highest and lowest recorded NADAC prices for GNP MUCUS-ER MAX 1,200 MG TAB?
Since Oct 13, 2021, the NADAC for GNP MUCUS-ER MAX 1,200 MG TAB has ranged from a low of $0.4044 (Jan 21, 2026) to a high of $0.4854 (Aug 16, 2023), with a median of $0.4634 per EA.
Are there cheaper alternatives to GNP MUCUS-ER MAX 1,200 MG TAB?
6 manufacturers publish a NADAC-priced product with the same active ingredient and strength as GNP MUCUS-ER MAX 1,200 MG TAB in a comparable dosage form, but none are currently priced below it.
Who manufactures GNP MUCUS-ER MAX 1,200 MG TAB?
GNP MUCUS-ER MAX 1,200 MG TAB (NDC 46122068374) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.