Product Information
GNP 8HR ARTHRIT PAIN ER 650 MG is a generic product labeled by AmerisourceBergen, priced at $0.0631 per EA under NDC 46122062981. Its NADAC has been published 281 times since Feb 10, 2021.
Strength
650 mg/1
Manufacturer
AmerisourceBergenNDC
46122062981
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
ACETAMINOPHENApproval Type
Generic (ANDA)
FDA Application
ANDA211544On Market Since
1/13/2020
Price Statistics
The NADAC for GNP 8HR ARTHRIT PAIN ER 650 MG has been published 281 times since Feb 10, 2021, 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 | $0.0631 per EA |
|---|---|
| All-time high | $0.0759 (Mar 15, 2023) |
| All-time low | $0.0593 (Apr 21, 2021) |
| 52-week high | $0.0686 |
| 52-week low | $0.0631 |
| Median price | $0.0680 |
| Average price | $0.0673 |
| Largest weekly change | +16.2% (Feb 22, 2023) |
| Weeks tracked | 281 |
| Tracking since | Feb 10, 2021 |
Generic Alternatives
The matcher finds 8 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 8 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 5% 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 GNP 8HR ARTHRIT PAIN ER 650 MG?
The current National Average Drug Acquisition Cost (NADAC) for GNP 8HR ARTHRIT PAIN ER 650 MG, manufactured by AmerisourceBergen, is $0.0631 per EA (NDC 46122062981), effective Jun 24, 2026.
How has the price of GNP 8HR ARTHRIT PAIN ER 650 MG changed over time?
Over the history we have for it, the NADAC for GNP 8HR ARTHRIT PAIN ER 650 MG has held within roughly two percent of its current level. It has been tracked across 281 weekly CMS publications since Feb 10, 2021.
What are the highest and lowest recorded NADAC prices for GNP 8HR ARTHRIT PAIN ER 650 MG?
Since Feb 10, 2021, the NADAC for GNP 8HR ARTHRIT PAIN ER 650 MG has ranged from a low of $0.0593 (Apr 21, 2021) to a high of $0.0759 (Mar 15, 2023), with a median of $0.0680 per EA.
Are there cheaper alternatives to GNP 8HR ARTHRIT PAIN ER 650 MG?
Yes. 8 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, QC ARTHRITIS PAIN ER 650 MG, is $0.0599 per EA — about 5% below GNP 8HR ARTHRIT PAIN ER 650 MG.
Who manufactures GNP 8HR ARTHRIT PAIN ER 650 MG?
GNP 8HR ARTHRIT PAIN ER 650 MG (NDC 46122062981) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.
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