Product Information
GUAIFENESIN 400 MG TABLET is a generic product labeled by Apnar Pharma LP, priced at $0.0653 per EA under NDC 24689014401. Its NADAC has been published 79 times since Oct 25, 2023.
Strength
400 mg/1
Manufacturer
Apnar Pharma LPNDC
24689014401
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
GUAIFENESINApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
8/5/2022
Pharmacological Classes
Price Statistics
The NADAC for GUAIFENESIN 400 MG TABLET has been published 79 times since Oct 25, 2023, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0653 per EA |
|---|---|
| All-time high | $0.0706 (Jun 11, 2025) |
| All-time low | $0.0644 (Oct 25, 2023) |
| 52-week high | $0.0683 |
| 52-week low | $0.0653 |
| Median price | $0.0677 |
| Average price | $0.0676 |
| Largest weekly change | +4.3% (Mar 12, 2025) |
| Weeks tracked | 79 |
| Tracking since | Oct 25, 2023 |
Generic Alternatives
The matcher finds 5 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
Frequently asked questions
What is the NADAC price of GUAIFENESIN 400 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for GUAIFENESIN 400 MG TABLET, manufactured by Apnar Pharma LP, is $0.0653 per EA (NDC 24689014401), effective Aug 19, 2026.
How has the price of GUAIFENESIN 400 MG TABLET changed over time?
Over the history we have for it, the NADAC for GUAIFENESIN 400 MG TABLET has held within roughly two percent of its current level. It has been tracked across 79 weekly CMS publications since Oct 25, 2023.
What are the highest and lowest recorded NADAC prices for GUAIFENESIN 400 MG TABLET?
Since Oct 25, 2023, the NADAC for GUAIFENESIN 400 MG TABLET has ranged from a low of $0.0644 (Oct 25, 2023) to a high of $0.0706 (Jun 11, 2025), with a median of $0.0677 per EA.
Are there cheaper alternatives to GUAIFENESIN 400 MG TABLET?
5 manufacturers publish a NADAC-priced product with the same active ingredient and strength as GUAIFENESIN 400 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures GUAIFENESIN 400 MG TABLET?
GUAIFENESIN 400 MG TABLET (NDC 24689014401) is labeled by Apnar Pharma LP, and CMS classifies it as a generic product.