Product Information
GNP NIGHTTIME SLEEP AID 50 MG is a generic product labeled by AmerisourceBergen, priced at $0.1150 per EA under NDC 46122077564. Its NADAC has been published 43 times since Sep 3, 2025.
Strength
50 mg/1
Manufacturer
AmerisourceBergenNDC
46122077564
Classification
Generic
Dosage Form
CAPSULE, LIQUID FILLED
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
DIPHENHYDRAMINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M010On Market Since
4/11/2024
Pharmacological Classes
Price Statistics
The NADAC for GNP NIGHTTIME SLEEP AID 50 MG has been published 43 times since Sep 3, 2025, and over the history we have for it it has risen 30.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1150 per EA |
|---|---|
| All-time high | $0.1150 (Jun 24, 2026) |
| All-time low | $0.0853 (Sep 17, 2025) |
| 52-week high | $0.1150 |
| 52-week low | $0.0853 |
| Median price | $0.1030 |
| Average price | $0.1005 |
| Largest weekly change | +13.4% (Oct 22, 2025) |
| Weeks tracked | 43 |
| Tracking since | Sep 3, 2025 |
Generic Alternatives
The matcher finds 4 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 4 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 83% 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 GNP NIGHTTIME SLEEP AID 50 MG?
The current National Average Drug Acquisition Cost (NADAC) for GNP NIGHTTIME SLEEP AID 50 MG, manufactured by AmerisourceBergen, is $0.1150 per EA (NDC 46122077564), effective Jun 24, 2026.
How has the price of GNP NIGHTTIME SLEEP AID 50 MG changed over time?
Over the history we have for it, the NADAC for GNP NIGHTTIME SLEEP AID 50 MG has risen 30.2%. It has been tracked across 43 weekly CMS publications since Sep 3, 2025.
What are the highest and lowest recorded NADAC prices for GNP NIGHTTIME SLEEP AID 50 MG?
Since Sep 3, 2025, the NADAC for GNP NIGHTTIME SLEEP AID 50 MG has ranged from a low of $0.0853 (Sep 17, 2025) to a high of $0.1150 (Jun 24, 2026), with a median of $0.1030 per EA.
Are there cheaper alternatives to GNP NIGHTTIME SLEEP AID 50 MG?
Yes. 4 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, PHARBEDRYL 50 MG CAPSULE, is $0.0197 per EA — about 83% below GNP NIGHTTIME SLEEP AID 50 MG.
Who manufactures GNP NIGHTTIME SLEEP AID 50 MG?
GNP NIGHTTIME SLEEP AID 50 MG (NDC 46122077564) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.
Related Drugs
Same classification