Product Information
GNP 8HR ARTHRIT PAIN ER 650 MG is a generic product labeled by AmerisourceBergen, priced at $0.0631 per EA under NDC 46122062971. Its NADAC has been published 76 times since Mar 12, 2025.
FDA first approved this application on Apr 16, 2019.
Strength
650 mg/1
Manufacturer
AmerisourceBergenNDC
46122062971
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ACETAMINOPHENApproval Type
Generic (ANDA)
FDA Application
ANDA211544FDA Approved
4/16/2019
On Market Since
1/13/2020
Price Statistics
The NADAC for GNP 8HR ARTHRIT PAIN ER 650 MG has been published 76 times since Mar 12, 2025, and over the history we have for it it has declined 8.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0631 per EA |
|---|---|
| All-time high | $0.0691 (Apr 16, 2025) |
| All-time low | $0.0629 (Jul 22, 2026) |
| 52-week high | $0.0686 |
| 52-week low | $0.0629 |
| Median price | $0.0673 |
| Average price | $0.0668 |
| Largest weekly change | -2.5% (Apr 22, 2026) |
| Weeks tracked | 76 |
| Tracking since | Mar 12, 2025 |
Generic Alternatives
The matcher finds 7 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). 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.
Related Drugs
Same classification
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 46122062971), effective Aug 19, 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 declined 8.4%. It has been tracked across 76 weekly CMS publications since Mar 12, 2025.
What are the highest and lowest recorded NADAC prices for GNP 8HR ARTHRIT PAIN ER 650 MG?
Since Mar 12, 2025, the NADAC for GNP 8HR ARTHRIT PAIN ER 650 MG has ranged from a low of $0.0629 (Jul 22, 2026) to a high of $0.0691 (Apr 16, 2025), with a median of $0.0673 per EA.
Are there cheaper alternatives to GNP 8HR ARTHRIT PAIN ER 650 MG?
Yes. 7 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable 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 46122062971) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.