Product Information
NALTREXONE 50 MG TABLET is a generic product labeled by SpecGx LLC, priced at $1.1392 per EA under NDC 00406117003. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application on Mar 22, 2002. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
50 mg/1
Manufacturer
SpecGx LLCNDC
00406117003
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
NALTREXONE HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA076264FDA Approved
3/22/2002
TE Code
AB
On Market Since
3/22/2002
Pharmacological Classes
Price Statistics
The NADAC for NALTREXONE 50 MG TABLET has been published 665 times since Nov 28, 2013, and over the history we have for it it has risen 13.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.1392 per EA |
|---|---|
| All-time high | $1.2957 (Nov 12, 2025) |
| All-time low | $0.6309 (Feb 22, 2023) |
| 52-week high | $1.2957 |
| 52-week low | $1.1392 |
| Median price | $0.8153 |
| Average price | $0.8712 |
| Largest weekly change | +23.3% (Aug 21, 2024) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 2 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 NALTREXONE 50 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for NALTREXONE 50 MG TABLET, manufactured by SpecGx LLC, is $1.1392 per EA (NDC 00406117003), effective Aug 19, 2026.
How has the price of NALTREXONE 50 MG TABLET changed over time?
Over the history we have for it, the NADAC for NALTREXONE 50 MG TABLET has risen 13.9%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for NALTREXONE 50 MG TABLET?
Since Nov 28, 2013, the NADAC for NALTREXONE 50 MG TABLET has ranged from a low of $0.6309 (Feb 22, 2023) to a high of $1.2957 (Nov 12, 2025), with a median of $0.8153 per EA.
Are there cheaper alternatives to NALTREXONE 50 MG TABLET?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as NALTREXONE 50 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures NALTREXONE 50 MG TABLET?
NALTREXONE 50 MG TABLET (NDC 00406117003) is labeled by SpecGx LLC, and CMS classifies it as a generic product.