Product Information

NALTREXONE 50 MG TABLET is a generic product labeled by Heritage Pharmaceuticals Inc., priced at $1.1392 per EA under NDC 23155088601. Its NADAC has been published 132 times since Feb 14, 2024.

FDA first approved this application on Jul 21, 2017. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

NALTREXONE 50 MG TABLET

Naltrexone Hydrochloride
$1.1392per EA

Strength

50 mg/1

NDC

23155088601

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

NALTREXONE HYDROCHLORIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA207905

FDA Approved

7/21/2017

TE Code

AB

On Market Since

10/6/2023

Pharmacological Classes

Opioid Antagonist
Opioid Antagonists

Price Statistics

The NADAC for NALTREXONE 50 MG TABLET has been published 132 times since Feb 14, 2024, and over the history we have for it it has risen 24.5%. 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$0.8382 (Apr 17, 2024)
52-week high$1.2957
52-week low$1.1392
Median price$1.1370
Average price$1.1150
Largest weekly change+23.3% (Aug 21, 2024)
Weeks tracked132
Tracking sinceFeb 14, 2024

Price History

1W

-1.8%

1M

-1.8%

3M

-6.0%

6M

-7.3%

1Y

-10.7%

3Y

N/A

5Y

N/A

All

+24.5%

Generic Alternatives

The matcher finds 6 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 22% 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 NALTREXONE 50 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for NALTREXONE 50 MG TABLET, manufactured by Heritage Pharmaceuticals Inc., is $1.1392 per EA (NDC 23155088601), 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 24.5%. It has been tracked across 132 weekly CMS publications since Feb 14, 2024.

What are the highest and lowest recorded NADAC prices for NALTREXONE 50 MG TABLET?

Since Feb 14, 2024, the NADAC for NALTREXONE 50 MG TABLET has ranged from a low of $0.8382 (Apr 17, 2024) to a high of $1.2957 (Nov 12, 2025), with a median of $1.1370 per EA.

Are there cheaper alternatives to NALTREXONE 50 MG TABLET?

Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, NALTREXONE 50 MG TABLET, is $0.8886 per EA — about 22% below NALTREXONE 50 MG TABLET.

Who manufactures NALTREXONE 50 MG TABLET?

NALTREXONE 50 MG TABLET (NDC 23155088601) is labeled by Heritage Pharmaceuticals Inc., and CMS classifies it as a generic product.