Product Information
GNP SLEEP AID 25 MG CAPLET is a generic product labeled by AmerisourceBergen, priced at $0.0600 per EA under NDC 46122065162. Its NADAC has been published 295 times since Feb 10, 2021.
Strength
25 mg/1
Manufacturer
AmerisourceBergenNDC
46122065162
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
DIPHENHYDRAMINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M010On Market Since
7/29/2020
Pharmacological Classes
Price Statistics
The NADAC for GNP SLEEP AID 25 MG CAPLET has been published 295 times since Feb 10, 2021, and over the history we have for it it has declined 18.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0600 per EA |
|---|---|
| All-time high | $0.0754 (Aug 11, 2021) |
| All-time low | $0.0490 (May 20, 2026) |
| 52-week high | $0.0610 |
| 52-week low | $0.0490 |
| Median price | $0.0610 |
| Average price | $0.0613 |
| Largest weekly change | +22.6% (Aug 21, 2024) |
| Weeks tracked | 295 |
| Tracking since | Feb 10, 2021 |
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 40% 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
AmerisourceBergen manufacturer profile
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Drug market
Diphenhydramine HCl market comparison
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Therapeutic class
Histamine-1 Receptor Antagonist class view
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Trend hub
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of GNP SLEEP AID 25 MG CAPLET?
The current National Average Drug Acquisition Cost (NADAC) for GNP SLEEP AID 25 MG CAPLET, manufactured by AmerisourceBergen, is $0.0600 per EA (NDC 46122065162), effective Sep 30, 2026.
How has the price of GNP SLEEP AID 25 MG CAPLET changed over time?
Over the history we have for it, the NADAC for GNP SLEEP AID 25 MG CAPLET has declined 18.8%. It has been tracked across 295 weekly CMS publications since Feb 10, 2021.
What are the highest and lowest recorded NADAC prices for GNP SLEEP AID 25 MG CAPLET?
Since Feb 10, 2021, the NADAC for GNP SLEEP AID 25 MG CAPLET has ranged from a low of $0.0490 (May 20, 2026) to a high of $0.0754 (Aug 11, 2021), with a median of $0.0610 per EA.
Are there cheaper alternatives to GNP SLEEP AID 25 MG CAPLET?
Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, SM ALLERGY (DIPHEN) 25 MG TAB, is $0.0358 per EA — about 40% below GNP SLEEP AID 25 MG CAPLET.
Who manufactures GNP SLEEP AID 25 MG CAPLET?
GNP SLEEP AID 25 MG CAPLET (NDC 46122065162) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.