Product Information
GNP 8 HOUR PAIN RLF ER 650 MG is a generic product labeled by AmerisourceBergen, priced at $0.0631 per EA under NDC 46122063071. Its NADAC has been published 58 times since May 21, 2025.
Strength
650 mg/1
Manufacturer
AmerisourceBergenNDC
46122063071
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 8 HOUR PAIN RLF ER 650 MG has been published 58 times since May 21, 2025, and over the history we have for it it has declined 8.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0631 per EA |
|---|---|
| All-time high | $0.0686 (Jan 14, 2026) |
| All-time low | $0.0631 (Jun 17, 2026) |
| 52-week high | $0.0686 |
| 52-week low | $0.0631 |
| Median price | $0.0673 |
| Average price | $0.0670 |
| Largest weekly change | -2.5% (Apr 22, 2026) |
| Weeks tracked | 58 |
| Tracking since | May 21, 2025 |
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 8 HOUR PAIN RLF ER 650 MG?
The current National Average Drug Acquisition Cost (NADAC) for GNP 8 HOUR PAIN RLF ER 650 MG, manufactured by AmerisourceBergen, is $0.0631 per EA (NDC 46122063071), effective Jun 24, 2026.
How has the price of GNP 8 HOUR PAIN RLF ER 650 MG changed over time?
Over the history we have for it, the NADAC for GNP 8 HOUR PAIN RLF ER 650 MG has declined 8.1%. It has been tracked across 58 weekly CMS publications since May 21, 2025.
What are the highest and lowest recorded NADAC prices for GNP 8 HOUR PAIN RLF ER 650 MG?
Since May 21, 2025, the NADAC for GNP 8 HOUR PAIN RLF ER 650 MG has ranged from a low of $0.0631 (Jun 17, 2026) to a high of $0.0686 (Jan 14, 2026), with a median of $0.0673 per EA.
Are there cheaper alternatives to GNP 8 HOUR PAIN RLF 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 8 HOUR PAIN RLF ER 650 MG.
Who manufactures GNP 8 HOUR PAIN RLF ER 650 MG?
GNP 8 HOUR PAIN RLF ER 650 MG (NDC 46122063071) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.
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Same classification