Ca C 1000

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Ca C 1000

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Method of action: Mineral Supplements

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Ca C 1000

The preparation known as Ca C 1000 is a polycomponent nutritional supplement commonly sold as an Over-The-Counter (OTC) preparation intended for oral administration.

Property Description
Active ingredients Calcium Carbonate, Calcium Gluconate, Sodium Ascorbate
Form Effervescent tablets
Pharmacological class Mineral and Vitamin Supplement
Common use Nutritional support
Origin Chemically derived (synthetic salts)

What Type of Preparation is Ca C 1000?

Ca C 1000 is a combination product that belongs to the general pharmacological class of Mineral and Vitamin Supplements, with a primary function of providing fundamental nutritional support. Both calcium and Vitamin C are recognized as essential micronutrients required for various bodily functions. The product is a chemically derived formulation, utilizing synthesized salts rather than natural extracts, and is distinguished by its effervescent tablets, a delivery system designed for enhanced solubility upon dissolution in water.

Composition of Ca C 1000: Calcium Salts and Ascorbic Acid

The preparation’s core active ingredients are Calcium Carbonate, Calcium Gluconate, and Sodium Ascorbate. This product utilizes a dual calcium salt system, combining the two calcium sources to optimize both the total mineral content and its absorption profile. Sodium Ascorbate is a buffered salt of Ascorbic Acid, or Vitamin C, a form commonly used in supplements to deliver the vitamin. The inclusion of this combination is used to support antioxidant defenses and contribute to bone health.

General Purpose and Nutritional Benefit

The general purpose of Ca C 1000 is to reinforce the body's supply of these two essential micronutrients, supporting the maintenance of normal physiological function. The delivered calcium is critical for maintaining skeletal integrity, nerve signal transmission, and muscle function, while the Ascorbic Acid component plays a vital role in supporting cellular health and the immune system. This combination aims to provide foundational nutritional support for overall metabolic balance.

What side effects are possible with Ca C 1000?

Possible Side Effects

Ca C 1000, which contains calcium and ascorbic acid (Vitamin C), is generally well-tolerated when used at recommended dosages. However, mild gastrointestinal side effects may occur, primarily related to the calcium component. High doses of either ingredient can increase the risk of adverse effects.

Common Side Effects

Side Effect Component Note
Constipation Calcium Ensure adequate fluid intake.
Bloating, Gas, Belching Calcium May be minimized by taking with food.
Nausea, Upset Stomach Both Generally mild and temporary.

Serious Side Effects (Report to a Healthcare Professional)

Serious reactions are uncommon but require immediate medical attention. These include signs of an allergic reaction (e.g., rash, hives, swelling of the face, tongue, or throat) or symptoms of hypercalcemia (excessive calcium in the blood), such as increased thirst, increased urination, confusion, or unusual bone pain/weakness.

Long-term excessive intake of calcium or vitamin C may increase the risk of kidney stone formation, especially in individuals predisposed to them. Vitamin C is also known to enhance iron absorption, which can be a concern for people with conditions like hemochromatosis (iron overload).


Safety Information and Precautions

Ca C 1000 should be used cautiously or avoided in people with certain pre-existing conditions, including a history of kidney stones, severe kidney impairment, hypercalcemia, or electrolyte imbalance. Due to the calcium content, it may also interact with certain medications, such as thyroid hormones, tetracycline antibiotics, fluoroquinolone antibiotics, and certain bisphosphonates, potentially reducing their absorption. It is generally advised to separate the dose of Ca C 1000 from these medications by several hours. Always inform your healthcare provider of all medications, supplements, and herbal products you are taking.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose from preparations containing Calcium salts and Ascorbic Acid (Vitamin C) is officially documented to primarily involve the consequences of hypercalcemia (excessively high calcium levels). Regulatory information describes the key manifestations and the required emergency response.

Overdose manifestations typically include gastrointestinal distress such as nausea, vomiting, constipation, and abdominal pain. Systemic symptoms associated with hypercalcemia include muscle weakness, headache, anorexia, and polyuria (increased urination). Severe manifestations may lead to life-threatening complications, including cardiac arrhythmias and acute kidney injury.

Emergency Action and Required Monitoring

The regulatory standard is to seek immediate medical attention or contact emergency services if an overdose is suspected or if severe symptoms—such as confusion, cardiac effects, or severe persistent vomiting—occur.

Management procedures officially described involve the immediate discontinuation of the preparation, followed by symptomatic and supportive treatment, typically including rehydration. Monitoring is required in severe cases, which includes checks on fluid and electrolyte balance and ECG monitoring.

It is officially noted that no specific antidote is known for the active ingredients. A heightened risk of severe outcomes exists for patients with chronic renal impairment.

Therapeutic Uses of Ca C 1000

What Ca C 1000 Helps Manage: Main Uses and Benefits

Ca C 1000 is considered relevant for easing symptoms related to physical discomfort and managing symptoms that interfere with daily functioning when they appear suddenly or intensify during episodes. This medicine is applied when appropriate, where short-term symptomatic assistance may be needed in conditions characterized by episodic or fluctuating manifestations.

The primary component, calcium, is commonly used to help with deficiency-related symptoms, such as those associated with temporary physiological imbalance. Calcium is also applied in clinical settings to address symptoms associated with acute changes where increased discomfort or tension is present.

The overall benefit is that it contributes to improved comfort during periods of heightened symptoms. It supports the patient by providing supportive relief when symptoms become more noticeable, thereby helping patients cope more steadily with difficult episodes.

Quick Fact: May assist with symptoms related to physical discomfort

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Ca C 1000

The eligibility for using Ca C 1000 (Calcium Salts and Ascorbic Acid) is defined by regulatory bodies based on the risk of exacerbating certain metabolic conditions or organ dysfunction.

Contraindications (Must Not Use)

Condition/Population Restriction Status
Severe Renal Insufficiency/Failure Contraindicated (Includes patients on dialysis)
Hypercalcaemia or Hypercalciuria Contraindicated (High blood or urinary calcium)
Nephrolithiasis (Kidney Stones) Contraindicated (Or history of stone formation)
Hemochromatosis Contraindicated (Iron storage disorder)
Hypersensitivity Contraindicated (To any active or inactive ingredient)

Restricted or Conditional Use

  • Pediatric Use: The 1000 mg strength is not recommended for children and adolescents under 18 years.
  • Pregnancy/Lactation: Use is permitted only in cases of documented calcium deficiency, and the labeled dose must not be exceeded due to risk of chronic overdose.
  • G6PD Deficiency: Patients must not exceed the recommended dose due to the risk of hemolytic anemia.
  • Sodium-Controlled Diet: Caution is required due to the high sodium content of the effervescent tablet.

Use is generally permitted for adults requiring nutritional supplementation, provided none of the absolute contraindications are present.

What should I know about interactions with other medicines?

The interaction profile of Ca C 1000 (Calcium Salts and Sodium Ascorbate) is defined by physicochemical interference and pharmacodynamic effects, as documented in regulatory sources.

The primary interaction involves reduced oral bioavailability of co-administered medicines. The calcium component can bind to agents such as Levothyroxine, Bisphosphonates, Tetracycline antibiotics, and Fluoroquinolone antibiotics in the gastrointestinal tract. Official documentation mandates that the administration of these substances must be separated by at least two to four hours from Ca C 1000 to preserve the absorption of the other medicine.

Significant pharmacodynamic interactions are also officially noted. Co-administration with Cardiac Glycosides (e.g., Digoxin) carries a heightened risk of synergistic arrhythmias due to increased cardiac sensitivity to calcium. Combination with Thiazide Diuretics can decrease calcium clearance, resulting in a documented risk of hypercalcemia. Furthermore, the combination of intravenous calcium and Ceftriaxone is contraindicated in neonates (28 days of age or younger) due to the risk of precipitate formation.

Dietary interactions involve specific restrictions; foods rich in oxalic or phytic acid (e.g., spinach, whole grains) may officially decrease the absorption of the calcium component itself. Finally, the ascorbate component may increase the official risk of calcium oxalate stone precipitation in individuals with renal impairment.

Mechanism of Action

Calcium's Role in Intracellular Signaling and Contractile Mechanisms

This component introduces Calcium ions ( Ca^2+), which are primary second messengers critical for cellular communication. Adequate Ca^2+ levels influence signaling sequences involving key regulatory proteins like calmodulin. This mechanistic input modulates nerve cell excitability and is necessary for the precise mechanics of muscle contraction. Furthermore, Ca^2+ forms the primary mineral matrix (hydroxyapatite), targeting the structural integrity of the skeletal system.


Vitamin C's Role in Hydroxylation and Redox Pathways

The Ascorbic Acid (Vitamin C) component engages two distinct mechanisms. It primarily acts as a cofactor for specific hydroxylase enzymes, maintaining their reduced state. This activity is necessary for the function of pathways, influencing the synthesis and cross-linking of collagen by its role in post-translational modification.

Simultaneously, Vitamin C participates in redox reactions, functioning as a reducing agent (antioxidant). This mechanism involves the donation of electrons to neutralize reactive oxygen species (ROS), thereby maintaining cellular redox status and contributing to overall metabolic regulation.

Dosage and Administration Information

Administration Method and Preparation

The preparation known as Ca C 1000 is intended solely for oral administration, utilizing the effervescent tablet form. Proper use requires specific steps for preparation: the tablet must be fully dissolved in a glass of water before ingestion. To ensure the complete dose is administered, the resulting solution must be consumed immediately upon the completion of dissolution. The preparation may be taken with or without food, allowing flexibility for daily scheduling.

Dosing Schedule and Frequency

The regimen for adult patients specifies the administration of one effervescent tablet once daily (QD). This fixed regimen delivers 1000 mg of elemental calcium and 1000 mg of the ascorbic acid component. This 1000 mg dose is the maximum daily quantity for the ascorbic acid component in this formulation.

Population Use and Duration

Usage patterns over time are variable, determined by the underlying physiological need, and may involve short-term management of acute requirements or integration within a long-term nutritional plan. Regarding specific populations, the 1000 mg strength is generally not recommended for the pediatric population (under 18 years) due to the high concentration of the ascorbic acid component.

Recent Clinical Evidence

Research Evidence / Overview of Studies

1. Efficacy in Musculoskeletal Support

Research has evaluated the combination in relation to bone health and musculoskeletal conditions. Studies have examined the combination's application in various scenarios, including the potential for supporting bone healing and enhancing the structural integrity of tissues like cartilage and tendons. This relates to the individual roles of calcium as a primary building block for bone mineral density, and Vitamin C's function as a cofactor in collagen synthesis, a key protein in connective tissues.

Limited clinical evidence exists specifically for this combination product (calcium and Vitamin C) in the context of pain management. However, research exploring the effects of Vitamin C monotherapy has noted differences in the rate of pain score changes compared to placebo in some acute pain settings, and one meta-analysis indicated a lower rate of complex regional pain syndrome (CRPS-I) incidence in surgical patients receiving Vitamin C supplementation.

2. Safety and Comparative Data

Safety studies have explored outcomes for various patient groups. Common observations across clinical trials involved mild gastrointestinal discomfort, which, in the studies, resolution was typically observed within the first two weeks. Severe adverse events were infrequently reported, and the rates observed were consistent with those reported for this class of medication.

Comparative Research: Studies have been conducted to compare the absorption characteristics of different forms of Vitamin C, including calcium ascorbate, versus ascorbic acid. These pharmacokinetic studies help inform the relative plasma concentrations achieved. High-quality, long-term randomized controlled trials directly comparing the combination of calcium and Vitamin C against other standard treatments for bone or pain conditions remain limited.

Frequently Asked Questions (FAQ)

Common questions about Ca C 1000 (FAQ)


Q: Is Ca C 1000 typically classified as a medication or a dietary supplement by regulatory bodies?

The classification of this product can vary based on regional regulatory requirements. While official sources often categorize similar combinations as a general 'Dietary Supplement' or 'Mineral and Vitamin Supplement,' in other countries, they may be registered as an Over-The-Counter (OTC) medicinal product. The primary purpose is defined by regulatory bodies as providing fundamental nutritional support.


Q: What is the difference between the Calcium in Ca C 1000 and the calcium found in food?

The calcium in this product is delivered as specific chemical compounds, such as calcium carbonate and calcium gluconate. Calcium in food is often complexed with other substances. Official information indicates that the bioavailability, or the amount the body can absorb and use, of supplemental calcium is generally similar to food calcium when it is taken with a meal.


Q: Does the sodium content in the effervescent form of Ca C 1000 pose a concern for people on low-sodium diets?

Yes, official labeling for this formulation indicates that the effervescent tablet contains a notable amount of sodium. Therefore, caution is required for any patient who is following a sodium-controlled or low-salt diet. Individuals with conditions like hypertension should note the product's sodium content.


Q: Does the calcium component of Ca C 1000 interfere with the absorption of iron?

Studies and official information indicate that calcium can interfere with and reduce the absorption of iron in the digestive tract. To lessen this effect, official guidance describes a separation of intake from iron-rich meals or supplements by at least two hours.


Q: What is the informational description of potential interactions with other mineral supplements like zinc or magnesium?

Official overviews of mineral interactions indicate that supplemental calcium may decrease the body's absorption of other minerals, including zinc. For this reason, determining the appropriate timing and necessity of concurrent supplementation often requires discussion with a healthcare professional.


Q: Can taking Ca C 1000 affect the results of certain medical lab tests?

Yes, regulatory patient information notes that the high concentration of the Vitamin C component (ascorbic acid) may affect the results of certain laboratory tests. These can include screenings for blood sugar or tests used to detect hidden blood in stool samples. Individuals are generally directed to inform a healthcare professional that this supplement is being used before undergoing any lab work.


Q: Is there a described interaction between the Vitamin C component and cholesterol-lowering medicines (statins)?

Regulatory sources indicate there is a potential concern that the Vitamin C in this product might keep statin medicines (used for cholesterol lowering) from working as well as expected. Information regarding concurrent use of these products is typically reviewed by a healthcare professional.


Q: Is Ca C 1000 considered generally acceptable for use during pregnancy or breastfeeding?

Official regulatory guidance states that use during pregnancy or lactation is permitted, but only in cases where a calcium deficiency has been documented. The labeled dose should not be exceeded. Use in these populations is generally determined by a healthcare provider.


Q: Is Ca C 1000 a suitable option for individuals on a restricted or vegan diet?

The active ingredients are chemically derived calcium salts and sodium ascorbate, which are typically mineral- or synthetic-based. However, the final suitability for a strict vegan or restricted diet depends on the inactive ingredients and excipients used in the specific product formulation. This information is typically found on the product's full ingredient list.


Q: Is Ca C 1000 an option for people with G6PD deficiency?

Yes, but use is restricted and requires caution. Official warnings for individuals with G6PD deficiency (a hereditary condition) indicate that the recommended dose should not be exceeded. This is due to a documented risk of a blood condition called hemolytic anemia associated with high-dose Vitamin C.


Q: What is the difference between the type of calcium in Ca C 1000 and calcium carbonate?

Ca C 1000 utilizes a dual or poly-salt calcium system to optimize the total mineral content. This means that while calcium carbonate is one of the active ingredients, it is combined with other calcium salts, such as calcium gluconate and potentially others. It is not a calcium carbonate-only product.


Q: Is Ca C 1000 recommended for use as a general daily supplement for the general population?

This product is officially intended to reinforce the body's supply of essential nutrients for general metabolic balance. However, regulatory authorities caution that patients should consult a healthcare professional to determine their individual needs and ensure appropriate total daily intake.


Q: Are there any known allergic reactions associated with the ingredients in Ca C 1000?

Yes, official safety information contraindicates the use of the product if a patient has a known hypersensitivity to any of the active or inactive ingredients. Serious adverse reactions, which require immediate attention, can include a rash, hives, or swelling of the face, tongue, or throat.


Q: Can Ca C 1000 cause heartburn or stomach discomfort?

Official information indicates that both the calcium and the high-dose Vitamin C components can cause gastrointestinal side effects. These common reactions may include stomach upset, nausea, and the distinct symptom of heartburn.


Q: Are there specific foods, like spinach or whole grains, that can affect the effectiveness of Ca C 1000?

Yes, official dietary interaction guidance notes that certain foods can interfere with absorption. Foods rich in phytic acid (e.g., whole grains) or oxalic acid (e.g., spinach) may decrease how much of the calcium component the body absorbs. Separation from the supplement is generally described for the consumption of these foods.


Q: What is the general rule regarding taking antibiotics at the same time as Ca C 1000?

The general rule is to maintain separation. Regulatory documents indicate that certain antibiotics, such as Tetracyclines and Fluoroquinolones, are described as being taken at least two to four hours apart from Ca C 1000 to avoid reduced effectiveness due to chemical binding (chelation).


Q: Are there specific warnings about Ca C 1000 for people with high blood pressure?

Yes, there is a specific warning related to the formulation itself. Official documents confirm that the effervescent tablet contains a high concentration of sodium, which is a concern for patients with hypertension (high blood pressure) or those on a sodium-restricted diet.


Q: Can individuals receiving chemotherapy or radiation therapy use Ca C 1000?

Official guidance emphasizes that any use in patients undergoing cancer treatment is typically reviewed with their oncology team. While Vitamin C may be used for nutritional support, there is a theoretical concern that the antioxidant properties of high-dose Vitamin C might interfere with the mechanisms of certain chemotherapy or radiation treatments.

How should Ca C 1000 be stored and disposed of?

Official Storage and Disposal Requirements

The storage of Ca C 1000 effervescent tablets must strictly adhere to regulatory conditions to protect the stability of the Calcium and Ascorbic Acid components. The product must not be stored above 30 C and requires explicit protection from moisture and light.


Mandatory Storage Conditions

Requirement Description
Temperature Do not store above 30 C.
Container Keep the tube tightly closed and store in the original package.
Child Safety Must be kept out of the sight and reach of children.

Disposal

Any unused or expired product must be disposed of in accordance with local regulatory requirements for pharmaceutical waste.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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