Product Information
GABAPENTIN 400 MG CAPSULE is a generic product labeled by Mullan Pharmaceutical Inc., priced at $0.0422 per EA under NDC 83301000502. Its NADAC has been published 60 times since Aug 13, 2025.
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
Mullan Pharmaceutical Inc.NDC
83301000502
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
5/1/2023
Pharmacological Classes
Price Statistics
The NADAC for GABAPENTIN 400 MG CAPSULE has been published 60 times since Aug 13, 2025, and over the history we have for it it has declined 5.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0422 per EA |
|---|---|
| All-time high | $0.0445 (Aug 13, 2025) |
| All-time low | $0.0396 (Apr 22, 2026) |
| 52-week high | $0.0434 |
| 52-week low | $0.0396 |
| Median price | $0.0410 |
| Average price | $0.0414 |
| Largest weekly change | +5.6% (Sep 23, 2026) |
| Weeks tracked | 60 |
| Tracking since | Aug 13, 2025 |
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
Mullan Pharmaceutical Inc. 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 Mullan Pharmaceutical Inc., is $0.0422 per EA (NDC 83301000502), 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 5.2%. It has been tracked across 60 weekly CMS publications since Aug 13, 2025.
What are the highest and lowest recorded NADAC prices for GABAPENTIN 400 MG CAPSULE?
Since Aug 13, 2025, the NADAC for GABAPENTIN 400 MG CAPSULE has ranged from a low of $0.0396 (Apr 22, 2026) to a high of $0.0445 (Aug 13, 2025), with a median of $0.0410 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 83301000502) is labeled by Mullan Pharmaceutical Inc., and CMS classifies it as a generic product.