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Calcium carbonate 750 MG Chewable Tablet — RxCUI 308915

RxNorm drug concept · Semantic clinical drug
RxCUI 308915 Semantic clinical drug · SCD ● Current RxNorm concept 242 FDA products 309 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI308915
Official nameCalcium carbonate 750 MG Chewable Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascalcium carbonate 750 MG (calcium 300 MG) Chewable Tablet; calcium carbonate 750 MG (Ca 300 MG) Chewable Tablet
FDA products mapped242
Package NDCs mapped309
Reported Medicaid activity (SDUD)11,518 prescriptions · 21 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Calcium Carbonate: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Most people use it as a fast-acting antacid to get quick relief from heartburn, acid indigestion, sour stomach, or an upset stomach. You'll find it in brands like Tums, Rolaids, an...
  • What is calcium carbonate actually used for?
  • Don't use the maximum daily dose for more than 2 weeks in a row without talking to a doctor first. If your heartburn or stomach symptoms keep coming back or don't improve, that's y...
  • How long can I keep taking this before I should see a doctor?
📖 Read our full Calcium Carbonate guide →

🕸️ Concept Web — How Calcium carbonate 750 MG Chewable Tablet Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Calcium carbonate 750 MG Chewable Tablet RxCUI 308915

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Calcium carbonate 1897
  2. Brand names 2

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • D-Cal 1484731
    • Tums 220508
  3. Dose forms 16

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Calcium carbonate Chewable Tablet 371198
    • Calcium carbonate Chewable Product 1294990
    • Calcium carbonate Oral Product 1154144
    • Calcium carbonate Pill 1154145
    • Calcium carbonate Chewable Tablet [D-Cal] 1484733
    • Calcium carbonate Chewable Tablet [Tums] 369632
    • D-Cal Chewable Product 1484736
    • D-Cal Oral Product 1484734
    • +8 more in this family
  4. Clinical & branded drugs 5

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 16 of 24 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Calcium carbonate 750 MG SCDC · 315543
  • Calcium carbonate Chewable Tablet SCDF · 371198
  • Calcium carbonate Chewable Product SCDG · 1294990
  • Calcium carbonate Oral Product SCDG · 1154144
  • Calcium carbonate Pill SCDG · 1154145

Brand-Name Concepts

  • Calcium carbonate 750 MG Chewable Tablet [D-Cal] SBD · 1484737
  • Calcium carbonate 750 MG Chewable Tablet [Tums] SBD · 1044532
  • Calcium carbonate 750 MG [D-Cal] SBDC · 1484732
  • Calcium carbonate 750 MG [Tums] SBDC · 1044531
  • Calcium carbonate Chewable Tablet [D-Cal] SBDF · 1484733
  • Calcium carbonate Chewable Tablet [Tums] SBDF · 369632
  • D-Cal Chewable Product SBDG · 1484736
  • D-Cal Oral Product SBDG · 1484734
  • D-Cal Pill SBDG · 1484735
  • Tums Chewable Product SBDG · 1296129

📦 FDA Products & Package NDCs

242 products · 309 package NDCs
309 package NDCs map to RxCUI 308915 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
51316-0913-25 250 TABLET, CHEWABLE in 1 BOTTLE (51316-913-25) Calcium Carbonate 750 mg CVS Pharmacy.Inc. 2025-04-01
51316-0913-69 96 TABLET, CHEWABLE in 1 BOTTLE (51316-913-69) Calcium Carbonate 750 mg CVS Pharmacy.Inc. 2025-04-01
53041-0102-13 48 TABLET, CHEWABLE in 1 BOTTLE (53041-102-13) GDC Extra strength Alkums Antacid 127AF Guardian Drug Company 2024-08-13
53041-0102-22 96 TABLET, CHEWABLE in 1 BOTTLE (53041-102-22) GDC Extra strength Alkums Antacid 127AF Guardian Drug Company 2024-08-13
53041-0130-22 96 TABLET, CHEWABLE in 1 BOTTLE (53041-130-22) Guardian Extra Strength Antacid Guardian Drug Company 2022-05-02
53041-0184-22 96 TABLET, CHEWABLE in 1 BOTTLE (53041-184-22) Guardian Extra Strength Assorted Berry Antacid Extra strength Assorted Berry Antacid Guardian Drug Company 2023-12-05
53041-0717-23 60 TABLET, CHEWABLE in 1 BOTTLE (53041-717-23) Guardian Extra Strength Smooth Alkum Antacid 173bf Guardian Drug Company 2024-05-01
53942-0127-22 96 TABLET, CHEWABLE in 1 BOTTLE (53942-127-22) Extra Strength Assorted Berry Antacid DeMoulas Market Basket 2025-03-04
53942-0128-22 96 TABLET, CHEWABLE in 1 BOTTLE (53942-128-22) Extra Strength Antacid Assorted Fruit DeMoulas Market Basket 2025-03-04
53942-0129-22 96 TABLET, CHEWABLE in 1 BOTTLE (53942-129-22) Extra Strength Antacid Tropical Fruit DeMoulas Market Basket 2025-03-04
53943-0127-22 96 TABLET, CHEWABLE in 1 BOTTLE (53943-127-22) Extra Strength Antacid Tropical Fruit Discount Drug Mart, Inc 2025-02-25
53943-0129-22 96 TABLET, CHEWABLE in 1 BOTTLE (53943-129-22) Extra Strength Antacid Discount Drug Mart, Inc 2025-02-26
53943-0137-22 96 TABLET, CHEWABLE in 1 BOTTLE (53943-137-22) Extra Strength Antacid Discount Drug Mart, Inc 2025-02-17
53943-0173-23 60 TABLET, CHEWABLE in 1 BOTTLE (53943-173-23) Extra Strength Smooth Assorted Fruit Antacid Discount Drug Mart, Inc 2025-02-14
53943-0180-23 60 TABLET, CHEWABLE in 1 BOTTLE (53943-180-23) Extra Strength Smooth Peppermint Antacid Discount Drug Mart, Inc 2025-02-14
53943-0181-41 80 TABLET, CHEWABLE in 1 BOTTLE (53943-181-41) Extra Strength sugar free Antacid Discount Drug Mart, Inc 2025-02-25
55301-0102-34 96 TABLET, CHEWABLE in 1 BOTTLE (55301-102-34) Exchange Select Antacid Tropical Fruit ARMY AND AIR FORCE EXCHANGE SERVICE 2019-03-06
55301-0202-24 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (55301-202-24) exchange select Extra Strength Antacid Assorted Berries ARMY AND AIR FORCE EXCHANGE SERVICE 2019-04-02
55301-0585-60 60 TABLET in 1 PACKAGE (55301-585-60) Exchange Select Calcium Carbonate Antacid Smoothies Extra Strength Assorted Berries Army & Air Force Exchange Service 2025-08-12
55319-0127-22 96 TABLET, CHEWABLE in 1 BOTTLE (55319-127-22) Family Wellness Extra Strength Antacid Extra Strength Assorted Fruit Antacid Family Dollar Services, Inc. 2024-02-20
55319-0920-22 96 TABLET, CHEWABLE in 1 BOTTLE (55319-920-22) Family Wellness Extra Strength Assorted Berry Antacid 127AB Extra strength Assorted Berry Antacid Family Dollar Services, Inc. 2024-04-17
55319-0925-23 60 TABLET, CHEWABLE in 1 BOTTLE (55319-925-23) FW Extra Strength AF Smooth Antacid Family Dollar Services, Inc. 2024-04-16
55319-0927-23 60 TABLET, CHEWABLE in 1 BOTTLE (55319-927-23) Family Wellness Extra Strength Smooth Antacid 173bf Family Dollar Services, Inc. 2024-04-17
55910-0115-60 60 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (55910-115-60) DG health Extra Strength Antacid DOLGENCORP, LLC 2019-05-16
55910-0210-96 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (55910-210-96) DG health Extra Strength Antacid DOLGENCORP, LLC 2019-05-16
55910-0605-60 60 TABLET, CHEWABLE in 1 BOTTLE (55910-605-60) DG health Extra Strength Assorted Fruits Antacid DOLGENCORP, LLC 2019-05-16
55910-0692-96 96 TABLET, CHEWABLE in 1 BOTTLE (55910-692-96) DG health Extra Strength Antacid Wintergreen flavor DOLGENCORP, LLC 2019-05-14
59779-0748-90 90 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (59779-748-90) Assorted Fruit Antacid Flavor Chews CVS Pharmacy 2015-06-01
62211-0166-60 60 TABLET, CHEWABLE in 1 BOTTLE (62211-166-60) D-CAL A&Z Pharmaceutical Inc. 1997-09-17
62211-0247-62 62 TABLET, CHEWABLE in 1 BOTTLE (62211-247-62) D-CAL A&Z Pharmaceutical Inc. 2025-12-01
63868-0155-96 96 TABLET, CHEWABLE in 1 BOTTLE (63868-155-96) Quality Choice Extra Strength Assorted Berry Antacid Extra strength Assorted Berry Antacid Chain Drug Marketing Association Inc. 2022-08-15
63868-0702-96 96 TABLET, CHEWABLE in 1 BOTTLE (63868-702-96) Quality Choice Extra Strength Assorted Fruit CHAIN DRUG MARKETING ASSOCIATION 2018-12-15
63868-0703-96 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (63868-703-96) Quality Choice Assorted Berries Extra Strength CHAIN DRUG MARKETING ASSOCIATION 2018-12-15
63941-0021-96 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (63941-021-96) Best Choice Extra Strength Assorted Berry BEST CHOICE (VALU MERCHANDISERS COMPANY) 2019-04-23
63941-0022-96 96 TABLET, CHEWABLE in 1 BOTTLE (63941-022-96) Best Choice Extra Strength Tropical Fruit BEST CHOICE (VALU MERCHANDISERS COMPANY) 2019-04-26
63941-0115-60 60 TABLET, CHEWABLE in 1 BOTTLE (63941-115-60) Best Choice Extra Strength BEST CHOICE (VALU MERCHANDISERS COMPANY) 2024-10-04
66715-6355-03 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (66715-6355-3) Extra Strength Antacid Tablets, Caseys 4good Lil' Drug Store Prodsucts, Inc. 2023-08-01
66715-8151-02 2 POUCH in 1 CARTON (66715-8151-2) / 2 TABLET, CHEWABLE in... Tums Antacid Chewy Bites Lil' Drug Store products, Inc. 2022-04-19
66715-8151-08 30 POUCH in 1 CARTON (66715-8151-8) / 2 TABLET, CHEWABLE in... Tums Antacid Chewy Bites Lil' Drug Store products, Inc. 2023-08-21
66715-8553-03 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (66715-8553-3) Extra Strength Antacid Tablets, 24/7 Life Lil' Drug Store Prodsucts, Inc. 2022-04-19
67091-0359-96 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (67091-359-96) WinCo FOODS Antacid Extra Strength WINCO FOODS, LLC 2020-02-25
67091-0360-96 96 TABLET, CHEWABLE in 1 BOTTLE (67091-360-96) WinCo FOODS Antacid Extra Strength WINCO FOODS, LLC 2020-02-26
67751-0227-01 1 BOTTLE in 1 BLISTER PACK (67751-227-01) / 8 TABLET, CHEWA... Tums Chewy Bites Assorted Berries Navajo Manufacturing Company Inc. 2024-04-15
67751-0235-01 1 POUCH in 1 CARTON (67751-235-01) / 2 TABLET, CHEWABLE in... Tums Chewy Bites Navajo Manufacturing Company Inc. 2024-12-02
68016-0700-90 90 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (68016-700-90) PV Extra Strength Antacid PHARMACY VALUE ALLIANCE, LLC 2020-01-20
68163-0102-24 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (68163-102-24) Extra Strength Antacid Assorted Berries RARITAN PHARMACEUTICALS INC 2019-02-01
68163-0102-44 44 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (68163-102-44) Extra Strength Antacid Assorted Berries RARITAN PHARMACEUTICALS INC 2019-02-01
68163-0115-00 100 TABLET, CHEWABLE in 1 BOTTLE (68163-115-00) Extra Strength Natural Antacid Raritan Pharmaceuticals Inc 2020-04-27
68391-0102-00 200 TABLET, CHEWABLE in 1 BOTTLE (68391-102-00) Extra Strength Assorted Berry BJWC 2019-05-14
68998-0102-96 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC (68998-102-96) Marc Glassman Extra Strength MARC GLASSMAN, INC. 2019-05-16
Observed labelers: Haleon US Holdings LLC (61) · Bayer HealthCare LLC. (15) · Target Corporation (12) · CVS (10) · MEIJER DISTRIBUTION INC (9) · CVS Pharmacy (7) · +78 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.