Product Information
GABAPENTIN 400 MG CAPSULE is a generic product labeled by Westminster Pharmaceuticals LLC, priced at $0.0422 per EA under NDC 69367034505. Its NADAC has been published 251 times since Dec 15, 2021.
FDA first approved this application on Mar 23, 2005. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
400 mg/1
Manufacturer
Westminster Pharmaceuticals LLCNDC
69367034505
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
GABAPENTINApproval Type
Generic (ANDA)
FDA Application
ANDA075477FDA Approved
3/23/2005
TE Code
AB
On Market Since
11/1/2021
Pharmacological Classes
Price Statistics
The NADAC for GABAPENTIN 400 MG CAPSULE has been published 251 times since Dec 15, 2021, and over the history we have for it it has declined 31.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0422 per EA |
|---|---|
| All-time high | $0.0642 (Feb 16, 2022) |
| All-time low | $0.0396 (Apr 22, 2026) |
| 52-week high | $0.0434 |
| 52-week low | $0.0396 |
| Median price | $0.0529 |
| Average price | $0.0510 |
| Largest weekly change | +23.4% (Aug 21, 2024) |
| Weeks tracked | 251 |
| Tracking since | Dec 15, 2021 |
Generic Alternatives
The matcher finds 15 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 3% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Westminster Pharmaceuticals LLC manufacturer profile
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Drug market
Gabapentin market comparison
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Trend hub
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Guide
Understanding NADAC pricing
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Frequently asked questions
What is the NADAC price of GABAPENTIN 400 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for GABAPENTIN 400 MG CAPSULE, manufactured by Westminster Pharmaceuticals LLC, is $0.0422 per EA (NDC 69367034505), effective Sep 30, 2026.
How has the price of GABAPENTIN 400 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for GABAPENTIN 400 MG CAPSULE has declined 31.1%. It has been tracked across 251 weekly CMS publications since Dec 15, 2021.
What are the highest and lowest recorded NADAC prices for GABAPENTIN 400 MG CAPSULE?
Since Dec 15, 2021, the NADAC for GABAPENTIN 400 MG CAPSULE has ranged from a low of $0.0396 (Apr 22, 2026) to a high of $0.0642 (Feb 16, 2022), with a median of $0.0529 per EA.
Are there cheaper alternatives to GABAPENTIN 400 MG CAPSULE?
Yes. 15 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, GABAPENTIN 400 MG CAPSULE, is $0.0410 per EA — about 3% below GABAPENTIN 400 MG CAPSULE.
Who manufactures GABAPENTIN 400 MG CAPSULE?
GABAPENTIN 400 MG CAPSULE (NDC 69367034505) is labeled by Westminster Pharmaceuticals LLC, and CMS classifies it as a generic product.