Guaifenesin Liquid
Pricing Report NDC 58657-509-16

Latest NADAC: $0.01334 per ML · Effective Jan 21, 2026 · Est. package price $6.31 (473 ML)

Current Package Pricing Information

The latest wholesale acquisition cost for Guaifenesin (NDC 58657-509-16) is $0.01334 per ML. This benchmark price is based on the National Average Drug Acquisition Cost (NADAC) and has been effective since Jan 21, 2026.

As a a human over the counter drug provided by Method Pharmaceuticals, Llc, this medication is distributed in a 473 mL in 1 BOTTLE configuration. The pricing data is derived from C/I - Chain or Independent Pharmacy surveys, reflecting the actual invoice prices paid by community pharmacies to drug wholesalers.

NADAC Pricing Summary

NADAC pricing snapshot for this package NDC

Acquisition Cost
$0.01334
Per ML

Effective Date
Jan 21, 2026
Billable Units
473 ML
Estimated Package Price
$6.31
Data Status
As of Jan 28, 2026
C/I - Chain or Independent Pharmacy
Package NDC
Description
473 mL in 1 BOTTLE
Pricing Methodology Explanation
The NADAC was calculated using information from the most recently completed pharmacy survey.
The NADAC was calculated based on package size.

Historical Pricing Trends & Acquisition Cost Benchmarks

Since Jul 2016, the NADAC wholesale price for (NDC ) has moved within a range of $0.00499 to $0.01538 per ML. Over this 9 years and 6 months period, the pricing trend reflects the shifting acquisition costs reported by retail and chain pharmacies to the Centers for Medicare and Medicaid Services (CMS). The following interactive chart and historical table detail every recorded price adjustment based on these federal surveys.

Price Range
$0.0050 - $0.0154
Market Volatility
208.22% Variance
Latest Trend
1.06%

Recent NADAC Price History

DateUnit PriceUnitSourceMethodRate
Jan 21, 2026 $0.01334 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Dec 17, 2025 $0.01320 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Nov 19, 2025 $0.01277 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Oct 22, 2025 $0.01335 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Sep 17, 2025 $0.01280 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Aug 20, 2025 $0.01333 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Jul 23, 2025 $0.01297 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Jun 18, 2025 $0.01330 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
May 21, 2025 $0.01258 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Apr 23, 2025 $0.01249 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Mar 19, 2025 $0.01229 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic
Feb 19, 2025 $0.01229 MLC/I - Chain or Independent PharmacyCode 1, 5G - Generic

Earlier NADAC Price History

Pricing Methodology Legend

  • Code 1: The NADAC was calculated using information from the most recently completed pharmacy survey.
  • Code 4: The NADAC was carried forward from the previous file.
  • Code 5: The NADAC was calculated based on package size.

Understanding NADAC Pricing Data

The National Average Drug Acquisition Cost (NADAC) is compiled by the Centers for Medicare and Medicaid Services (CMS). This data is derived from random monthly surveys of more than 60,000 pharmacies across all 50 states.


Important Price Distinction:

The prices listed on this page represent the wholesale invoice price paid by pharmacies to acquire the drug. This is NOT the retail price paid by consumers at the pharmacy counter. Final patient costs typically include pharmacy markups, professional dispensing fees, and insurance adjustments.

NADAC Pricing Data Last Updated on: September 09, 2026