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Marc Glassman

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Active ingredient
Calcium Carbonate 750 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2019
Label revision date
September 19, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 750 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2019
Label revision date
September 19, 2025
Manufacturer
MARC GLASSMAN, INC.
Registration number
M001
NDC root
68998-102
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info
Packaging & NDC Codes

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

If you are a consumer or patient please visit this version.

Drug Overview

Marcs® is an extra strength antacid tablet that contains 750 mg of calcium carbonate, a substance that helps neutralize stomach acid. You can use Marcs® to relieve symptoms such as heartburn, acid indigestion, sour stomach, and upset stomach associated with these conditions.

These chewable tablets provide fast relief and come in assorted berry flavors, making them a pleasant option for managing discomfort related to excess stomach acid. Marcs® is also gluten-free, ensuring it can be enjoyed by those with gluten sensitivities.

Uses

If you're experiencing discomfort from heartburn, acid indigestion, or a sour stomach, this medication can help relieve those symptoms. It is also effective for soothing an upset stomach that may be associated with these issues.

You can feel confident using this medication, as there are no known teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects reported. This makes it a safe option for managing your digestive discomfort.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you should chew 2 to 4 tablets when you experience symptoms, or follow your doctor's instructions. It's important to remember that you should not swallow the tablets whole; they need to be chewed to work effectively.

Additionally, if your symptoms last longer than 2 weeks, you should consult with a doctor before continuing to take the medication. This ensures that you are using the treatment safely and effectively.

What to Avoid

There are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. This means that, based on the available information, there are no particular situations or conditions under which you should avoid using it. Always consult with your healthcare provider for personalized advice and to ensure that this medication is appropriate for your individual health needs.

Side Effects

When using this product, you may experience some side effects. It's important to be aware that taking more than 10 tablets in a 24-hour period can lead to serious issues, and if you are pregnant, you should limit your intake to no more than 6 tablets in the same timeframe. Additionally, using the maximum dosage for more than 2 weeks should only be done under a doctor's guidance.

Before starting this medication, consult with your doctor or pharmacist, especially if you are currently taking any prescription drugs, as antacids can interact with certain medications. Always prioritize your health and safety by following these guidelines.

Warnings and Precautions

Before using this product, it's important to consult with your doctor or pharmacist, especially if you are currently taking any prescription medications, as antacids can interact with them. Be mindful of the dosage: do not exceed 10 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 6 tablets in 24 hours. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by a healthcare professional.

While there are no specific laboratory tests required for safe use, always prioritize your health and safety. If you experience any unusual symptoms or have concerns about your health while using this product, reach out to your doctor for guidance.

Overdose

If you suspect an overdose, it's important to act quickly. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, seek immediate medical help.

In the event of an overdose, contact your local emergency services or go to the nearest hospital. It's crucial to provide them with as much information as possible about the substance taken and the amount, if known. Remember, your safety is the top priority, so don’t hesitate to get help.

Pregnancy Use

If you are pregnant, it is important to be cautious with medication. You should not take more than 6 tablets in a 24-hour period. This guideline helps ensure your safety and the safety of your developing baby. Always consult with your healthcare provider before taking any medication during pregnancy to discuss potential risks and appropriate dosages.

Lactation Use

If you are breastfeeding or planning to breastfeed, it's important to know that there is no specific information available about the use of MARC GLASSMAN EXTRA STRENGTH calcium carbonate chewable tablets in nursing mothers. This means that the effects on breast milk and nursing infants have not been studied or documented.

As always, it's a good idea to consult with your healthcare provider before taking any medication while breastfeeding to ensure the safety and well-being of both you and your baby.

Pediatric Use

When it comes to using this medication for children, it's important to note that it is only recommended for those aged 12 years and older. If your child falls within this age group, they should chew 2 to 4 tablets as needed for their symptoms, or follow the guidance of a doctor. Remember, the tablets should not be swallowed whole; they need to be chewed to work effectively. Always consult with a healthcare professional if you have any questions or concerns about your child's treatment.

Geriatric Use

While there is no specific information about how this medication should be used by older adults, it’s important to approach any new treatment with caution. If you or a loved one is an older adult, it’s wise to discuss any potential risks or concerns with your healthcare provider. They can help determine the best approach based on individual health needs and any other medications being taken.

Always keep in mind that older adults may have different responses to medications, so regular check-ins with your doctor can ensure safety and effectiveness.

Renal Impairment

If you have kidney problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the usual recommendations for monitoring or safety considerations related to renal impairment (kidney issues) are not provided.

Always consult your healthcare provider for personalized advice and to ensure that any medications you take are safe and appropriate for your kidney health. They can help you understand how your condition may affect your treatment plan.

Hepatic Impairment

If you have liver problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or precautions related to your condition. This means that there are no tailored recommendations for how the medication may affect you differently due to your liver health.

Always consult your healthcare provider for personalized advice and to ensure that any treatment plan is safe and effective for your specific situation. They can help determine the best approach based on your liver function and overall health.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you. Always share your complete list of medications and any recent lab tests to avoid any potential issues. Your health and safety should always come first.

Storage and Handling

To ensure the best performance and safety of your product, store it at room temperature. It's important to keep the container tightly closed to protect its contents. Before using, check that the safety seal (a printed seal under the cap) is intact; do not use the product if this seal is torn or missing, as this could indicate that the product is compromised. Following these guidelines will help you use the product safely and effectively.

Additional Information

You will take this medication orally. There are no additional details available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences. If you have any questions or concerns about your treatment, be sure to discuss them with your healthcare provider.

FAQ

What is Marcs®?

Marcs® is an EXTRA STRENGTH Antacid Tablet that contains 750 mg of Calcium Carbonate.

What symptoms does Marcs® relieve?

Marcs® relieves heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.

How should I take Marcs®?

Adults and children 12 years of age and over should chew 2-4 tablets as symptoms occur, or as directed by a doctor. Do not swallow tablets whole.

Are there any warnings for using Marcs®?

Yes, do not take more than 10 tablets in 24 hours, and if pregnant, do not take more than 6 tablets in 24 hours. Consult a doctor if you are taking prescription drugs.

Is Marcs® gluten-free?

Yes, Marcs® is gluten-free.

What should I do if my symptoms persist?

Do not use Marcs® for symptoms that persist for more than 2 weeks unless advised by a doctor.

How should I store Marcs®?

Store Marcs® at room temperature and keep the container tightly closed.

What flavors does Marcs® come in?

Marcs® is available in assorted berry flavors, both naturally and artificially flavored.

Who distributes Marcs®?

Marcs® is distributed by Marc Glassman, Inc., located in Cleveland, OH.

Are there any teratogenic effects associated with Marcs®?

No teratogenic effects are mentioned for Marcs®.

Packaging Info

Below are the non-prescription pack sizes of Marc Glassman (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Marc Glassman.
Details

Drug Information (PDF)

This file contains official product information for Marc Glassman, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

No description information is available for the drug.

Uses and Indications

This drug is indicated for the relief of heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.

There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

Adults and children aged 12 years and older are instructed to chew 2 to 4 tablets as symptoms occur, or as directed by a healthcare professional. It is important that the tablets are not swallowed whole.

Patients should not use this medication for symptoms that persist for more than 2 weeks without consulting a doctor.

Contraindications

There are no contraindications associated with the use of this product. It is not classified as a controlled substance, and there are no identified risks of abuse, misuse, or dependence.

Warnings and Precautions

Healthcare professionals should advise patients to consult a doctor or pharmacist prior to using this product if they are currently taking any prescription medications, as antacids may interact with certain drugs.

When administering this product, it is crucial to adhere to the following dosage guidelines: patients should not exceed 10 tablets within a 24-hour period. For pregnant individuals, the maximum dosage should not exceed 6 tablets in a 24-hour period. Furthermore, the maximum dosage should not be utilized for more than 2 weeks unless directed and monitored by a healthcare provider.

No specific general precautions or laboratory tests are required for the safe use of this product. Additionally, there are no emergency medical help instructions or specific directives to discontinue use and contact a physician included in the current guidelines.

Side Effects

Patients may experience various adverse reactions when using this product. It is important to note that certain warnings should be heeded to minimize risks associated with its use.

Patients are advised to consult a doctor or pharmacist before using this product if they are currently taking any prescription medications, as antacids may interact with specific drugs. Additionally, while using this product, patients should not exceed a dosage of 10 tablets within a 24-hour period. For pregnant individuals, it is recommended to limit intake to no more than 6 tablets in a 24-hour timeframe. Furthermore, the maximum dosage should not be utilized for more than 2 weeks unless under the guidance and supervision of a healthcare professional.

These precautions are essential to ensure the safe use of the product and to mitigate potential adverse reactions.

Drug Interactions

There are currently no documented drug interactions associated with the use of this medication. Additionally, there is no information available regarding interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

Packaging & NDC

Below are the non-prescription pack sizes of Marc Glassman (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Marc Glassman.
Details

Pediatric Use

Pediatric patients aged 12 years and older are directed to chew 2-4 tablets as symptoms occur, or as directed by a healthcare professional. It is important that these tablets are not swallowed whole. There is no specific pediatric dosing information provided for children under 12 years of age.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential adverse effects or changes in therapeutic response, given the lack of targeted data for this population.

Pregnancy

Pregnant patients should not exceed a dosage of 6 tablets within a 24-hour period. This limitation is crucial to minimize potential risks to fetal outcomes. Healthcare professionals are advised to counsel women of childbearing potential regarding the importance of adhering to this dosage recommendation during pregnancy.

Lactation

There is no specific information regarding nursing mothers or lactation considerations provided in the drug insert for MARC GLASSMAN EXTRA STRENGTH calcium carbonate tablet, chewable. Therefore, the effects on breastfed infants and the excretion of the drug in breast milk are not established. Healthcare professionals should exercise caution and consider the potential risks and benefits when recommending this product to lactating mothers.

Renal Impairment

There is no specific information regarding dosage adjustments, special monitoring, or safety considerations for patients with renal impairment. Healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the available information.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the lack of documented overdosage data does not preclude the possibility of overdose occurring. In such cases, it is recommended to monitor patients closely for any unusual symptoms or adverse reactions that may arise.

Should an overdose be suspected, immediate medical evaluation is advised. Supportive care should be initiated as necessary, and symptomatic treatment should be provided based on the clinical presentation of the patient.

In the event of an overdose, healthcare professionals are encouraged to consult local poison control centers or relevant toxicology resources for guidance on management protocols and potential interventions.

Continued education and awareness regarding the management of overdose situations are crucial for ensuring patient safety and effective treatment outcomes.

Nonclinical Toxicology

No teratogenic or non-teratogenic effects have been reported in the available nonclinical studies. Additionally, there is no information regarding animal pharmacology and toxicology. The absence of data limits the assessment of potential risks associated with the use of the compound in these contexts.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion or misuse. It is important to emphasize the necessity of proper storage and handling to ensure the safety of young individuals.

Storage and Handling

The product is supplied in a container that must be kept tightly closed to maintain its integrity. It should be stored at room temperature to ensure optimal conditions. Users are advised to check the safety seal; the product should not be used if the printed seal under the cap is torn or missing.

Additional Clinical Information

The medication is administered orally. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for Marc Glassman, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Marc Glassman, retrieved by a validated AI data-extraction workflow.

All FDA-listed dosage forms and strengths are shown in the Packaging & NDC Codes section above. Regulatory status appears in the Summary Information panel above and was verified in the FDA National Drug Code directory and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

Learn more in our Editorial Policy

Last AI update:

Primary FDA sources:

Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.