Product Information

GNP SLEEP AID 50 MG/30 ML LIQ is a generic product labeled by AmerisourceBergen, priced at $0.0081 per ML under NDC 46122075429. Its NADAC has been published 115 times since Apr 17, 2024.

GNP SLEEP AID 50 MG/30 ML LIQ

Diphenhydramine HCl
$0.0081per ML
OTC

Strength

50 mg/30mL

Manufacturer

AmerisourceBergen

NDC

46122075429

Classification

Generic

Dosage Form

SOLUTION

Route

ORAL

Last Updated

6/17/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M010

On Market Since

9/14/2023

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for GNP SLEEP AID 50 MG/30 ML LIQ has been published 115 times since Apr 17, 2024, and over the history we have for it it has risen 4.8%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0081 per ML
All-time high$0.0089 (Feb 11, 2026)
All-time low$0.0073 (Aug 21, 2024)
52-week high$0.0089
52-week low$0.0080
Median price$0.0084
Average price$0.0082
Largest weekly change+9.0% (Nov 20, 2024)
Weeks tracked115
Tracking sinceApr 17, 2024

Price History

1W

0.0%

1M

+2.0%

3M

-1.2%

6M

-8.5%

1Y

-4.5%

3Y

N/A

5Y

N/A

All

+4.8%

Generic Alternatives

The matcher finds 3 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 3 manufacturers (up to 10 shown below). None of the shown alternatives sit below the current price. 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 SLEEP AID 50 MG/30 ML LIQ?

The current National Average Drug Acquisition Cost (NADAC) for GNP SLEEP AID 50 MG/30 ML LIQ, manufactured by AmerisourceBergen, is $0.0081 per ML (NDC 46122075429), effective Jun 24, 2026.

How has the price of GNP SLEEP AID 50 MG/30 ML LIQ changed over time?

Over the history we have for it, the NADAC for GNP SLEEP AID 50 MG/30 ML LIQ has risen 4.8%. It has been tracked across 115 weekly CMS publications since Apr 17, 2024.

What are the highest and lowest recorded NADAC prices for GNP SLEEP AID 50 MG/30 ML LIQ?

Since Apr 17, 2024, the NADAC for GNP SLEEP AID 50 MG/30 ML LIQ has ranged from a low of $0.0073 (Aug 21, 2024) to a high of $0.0089 (Feb 11, 2026), with a median of $0.0084 per ML.

Are there cheaper alternatives to GNP SLEEP AID 50 MG/30 ML LIQ?

3 NADAC-published products share the same active ingredient, strength, and dosage form as GNP SLEEP AID 50 MG/30 ML LIQ, but none are currently priced below it.

Who manufactures GNP SLEEP AID 50 MG/30 ML LIQ?

GNP SLEEP AID 50 MG/30 ML LIQ (NDC 46122075429) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.