Effer-k Tablet, Effervescent
Pricing Report NDC 51801-011-30
Current NADAC: $0.52287 per EA · Effective Aug 19, 2026 · Est. package price $15.69 (30 EA)
Current Package Pricing Information
The current wholesale acquisition cost for Effer-k 20 Meq Unflavored (NDC 51801-011-30) is $0.52287 per EA. This benchmark price is based on the National Average Drug Acquisition Cost (NADAC) and has been effective since Aug 19, 2026.
As a a human prescription drug provided by Nomax Inc., this medication is distributed in a 30 POUCH in 1 CARTON / 1 TABLET, EFFERVESCENT in 1 POUCH 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 $0.52287 Per EA
Pricing Unit
Effective Date
Aug 19, 2026
Billable Units
30 EA
Estimated Package Price
$15.69
Data Status
As of Sep 09, 2026
Pricing Methodology Explanation
The NADAC was calculated using information from the most recently completed pharmacy survey.
Historical Pricing Trends & Acquisition Cost Benchmarks
Since Dec 2014, the NADAC wholesale price for (NDC ) has moved within a range of $0.38133 to $0.53139 per EA. Over this 11 years and 8 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
$0.3813 - $0.5314
$0.3813 - $0.5314
Market Volatility
39.35% Variance
39.35% Variance
Latest Trend
0.15%
0.15%
Recent NADAC Price History
| Date | Unit Price | Unit | Source | Method | Rate |
|---|---|---|---|---|---|
| Aug 19, 2026 | $0.52287 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 22, 2026 | $0.52364 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 17, 2026 | $0.52177 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 20, 2026 | $0.52047 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Apr 22, 2026 | $0.51965 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Mar 18, 2026 | $0.52231 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Feb 18, 2026 | $0.52464 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 21, 2026 | $0.52765 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Dec 17, 2025 | $0.52675 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 19, 2025 | $0.52412 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Oct 22, 2025 | $0.52101 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 17, 2025 | $0.51674 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
Earlier NADAC Price History
| Date | Unit Price | Unit | Source | Method | Rate |
|---|---|---|---|---|---|
| Aug 20, 2025 | $0.51428 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 23, 2025 | $0.51493 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 18, 2025 | $0.51747 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 21, 2025 | $0.52113 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Apr 23, 2025 | $0.52267 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Mar 19, 2025 | $0.52508 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Feb 19, 2025 | $0.52655 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 22, 2025 | $0.52624 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Dec 18, 2024 | $0.52411 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 20, 2024 | $0.52379 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Oct 23, 2024 | $0.52103 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 18, 2024 | $0.52259 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Aug 21, 2024 | $0.52205 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 17, 2024 | $0.52087 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 19, 2024 | $0.52443 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 22, 2024 | $0.52498 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Apr 17, 2024 | $0.52478 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 17, 2024 | $0.52067 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 17, 2024 | $0.52067 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Dec 20, 2023 | $0.51713 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 22, 2023 | $0.53139 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Oct 18, 2023 | $0.51883 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Aug 23, 2023 | $0.51462 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Aug 23, 2023 | $0.51462 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Apr 19, 2023 | $0.47686 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Apr 19, 2023 | $0.47686 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Aug 17, 2022 | $0.45045 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Aug 17, 2022 | $0.45045 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jun 22, 2022 | $0.43922 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 22, 2022 | $0.43922 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Mar 23, 2022 | $0.44720 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Mar 23, 2022 | $0.44720 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jan 19, 2022 | $0.44139 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 19, 2022 | $0.44139 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Sep 22, 2021 | $0.44652 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 22, 2021 | $0.44652 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Aug 18, 2021 | $0.44606 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 21, 2021 | $0.44588 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 23, 2021 | $0.44867 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 19, 2021 | $0.44573 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Feb 17, 2021 | $0.45022 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Feb 17, 2021 | $0.45022 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jan 20, 2021 | $0.44400 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Dec 23, 2020 | $0.44559 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 18, 2020 | $0.43893 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Oct 21, 2020 | $0.44550 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 23, 2020 | $0.44650 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Aug 19, 2020 | $0.44567 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 17, 2020 | $0.45113 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jun 17, 2020 | $0.45113 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| May 20, 2020 | $0.44727 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Mar 18, 2020 | $0.44680 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Mar 18, 2020 | $0.44680 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Feb 19, 2020 | $0.44380 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jan 22, 2020 | $0.44339 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 18, 2019 | $0.41233 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 18, 2019 | $0.41233 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jul 17, 2019 | $0.41472 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 17, 2019 | $0.41472 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jul 18, 2018 | $0.38133 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 18, 2018 | $0.38133 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jun 20, 2018 | $0.38467 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 23, 2018 | $0.38740 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 23, 2016 | $0.39372 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 23, 2016 | $0.39372 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Oct 19, 2016 | $0.41553 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Sep 21, 2016 | $0.40700 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 20, 2016 | $0.43780 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 20, 2016 | $0.43780 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jun 22, 2016 | $0.40493 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 18, 2016 | $0.38573 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 18, 2015 | $0.38440 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Nov 18, 2015 | $0.38440 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Jul 22, 2015 | $0.38213 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Jul 22, 2015 | $0.38213 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| May 20, 2015 | $0.39122 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| May 20, 2015 | $0.39122 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
| Dec 17, 2014 | $0.39273 | EA | C/I - Chain or Independent Pharmacy | Code 1 | G - Generic |
| Dec 17, 2014 | $0.39273 | EA | C/I - Chain or Independent Pharmacy | Code 4 | G - Generic |
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.
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
