Product Information
ANTACID 500 MG CHEW TABLET is a generic product labeled by Cardinal Health, priced at $0.0169 per EA under NDC 70000003401. Its NADAC has been published 347 times since Feb 12, 2020.
Strength
500 mg/1
Manufacturer
Cardinal HealthNDC
70000003401
Classification
Generic
Dosage Form
TABLET, CHEWABLE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
CALCIUM CARBONATEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M001On Market Since
4/16/2019
Pharmacological Classes
Price Statistics
The NADAC for ANTACID 500 MG CHEW TABLET has been published 347 times since Feb 12, 2020, and over the history we have for it it has risen 37.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0169 per EA |
|---|---|
| All-time high | $0.0175 (Apr 16, 2025) |
| All-time low | $0.0123 (Feb 12, 2020) |
| 52-week high | $0.0175 |
| 52-week low | $0.0168 |
| Median price | $0.0146 |
| Average price | $0.0151 |
| Largest weekly change | +18.7% (Feb 19, 2020) |
| Weeks tracked | 347 |
| Tracking since | Feb 12, 2020 |
Generic Alternatives
The matcher finds 4 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 23% 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
Cardinal Health manufacturer profile
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Drug market
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Therapeutic class
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Trend hub
Latest market trends
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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 ANTACID 500 MG CHEW TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ANTACID 500 MG CHEW TABLET, manufactured by Cardinal Health, is $0.0169 per EA (NDC 70000003401), effective Sep 30, 2026.
How has the price of ANTACID 500 MG CHEW TABLET changed over time?
Over the history we have for it, the NADAC for ANTACID 500 MG CHEW TABLET has risen 37.2%. It has been tracked across 347 weekly CMS publications since Feb 12, 2020.
What are the highest and lowest recorded NADAC prices for ANTACID 500 MG CHEW TABLET?
Since Feb 12, 2020, the NADAC for ANTACID 500 MG CHEW TABLET has ranged from a low of $0.0123 (Feb 12, 2020) to a high of $0.0175 (Apr 16, 2025), with a median of $0.0146 per EA.
Are there cheaper alternatives to ANTACID 500 MG CHEW TABLET?
Yes. 4 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, CALCIUM CARB 500 MG TAB CHEW, is $0.0129 per EA — about 23% below ANTACID 500 MG CHEW TABLET.
Who manufactures ANTACID 500 MG CHEW TABLET?
ANTACID 500 MG CHEW TABLET (NDC 70000003401) is labeled by Cardinal Health, and CMS classifies it as a generic product.