Generic Calcium Carbonate

Calcium is used to prevent and treat calcium deficiencies.

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  • Category: General Health
  • Active ingredient: Calcium Carbonate
  • Payment options: VISA, Mastercard, Amex, JCB, Dinners
  • Delivery time: Airmail (10 - 21 days), EMS Trackable (5-9 days)

Buy Generic Calcium Carbonate Online

Generic Calcium Carbonate 500mg
Package Price
500mg x 90 pillsAU $109.00
500mg x 60 pillsAU $83.77

Generic Calcium Carbonate information

Introduction

Calcium Carbonate is an oral calcium supplement widely used in the United Kingdom to prevent or correct calcium deficiency and to alleviate occasional heartburn. The active compound is calcium carbonate, classified as a mineral supplement within the general‑health medication group. It is supplied by a range of manufacturers, many of whom market the ingredient in tablet, chewable and powder forms. In addition to its primary role in bone health, calcium carbonate is employed as an antacid because it neutralises gastric acid.

What is Calcium Carbonate?

Calcium Carbonate is the generic version of well‑known brands such as Tums, Caltrate, and Calci‑C. All of these products contain the same active compound, calcium carbonate, and provide an equivalent amount of elemental calcium per dose. Our online pharmacy provides this generic alternative as a cost‑effective treatment option, sourced from reputable manufacturers that comply with UK Medicines and Healthcare products Regulatory Agency (MHRA) standards.

How Calcium Carbonate Works

When ingested, calcium carbonate dissociates in the acidic environment of the stomach, releasing calcium ions (Ca²⁺) and carbon dioxide. The calcium ions are absorbed primarily in the duodenum and jejunum under the influence of active vitamin D, contributing to bone mineralisation, muscle contraction, and nerve transmission. As an antacid, the carbonate ion (CO₃²⁻) reacts with excess gastric hydrogen ions (H⁺) to form water and carbonic acid, which quickly decomposes to carbon dioxide and is expelled as belch. The onset of antacid relief typically occurs within 15–30 minutes, while the calcium‑supplement effect persists for several hours as the body incorporates the absorbed calcium into skeletal stores.

Conditions Treated with Calcium Carbonate

  • Calcium‑deficiency osteoporosis and osteopenia – Approximately 1.5 % of UK adults over 65 have osteoporosis; calcium carbonate supplies the elemental calcium needed for bone remodelling and can reduce fracture risk when combined with vitamin D.
  • Secondary hypocalcaemia – Common after thyroid surgery or in chronic kidney disease; calcium carbonate restores serum calcium levels more rapidly than dietary adjustments alone.
  • Acid‑related dyspepsia and occasional heartburn – Neutralises excess gastric acid, providing symptomatic relief for mild to moderate dyspepsia.
  • Prevention of calcium‑related metabolic disorders – Adequate calcium intake is linked to lower incidence of colon polyps and may support blood pressure regulation, although these effects are adjunctive rather than primary therapeutic goals.

Who is Calcium Carbonate For?

Calcium carbonate is suitable for adults who:

  • Have a documented low dietary calcium intake (less than 700 mg per day) or are at risk of bone loss due to age, menopause, or corticosteroid therapy.
  • Experience intermittent heartburn and seek an over‑the‑counter antacid that also contributes to calcium intake.
  • Require a low‑cost supplement during pregnancy or lactation when calcium needs increase, provided a healthcare professional confirms adequacy of vitamin 3 (D) status.

It may be inappropriate for individuals with:

  • Known hypersensitivity to calcium carbonate or any tablet excipients.
  • Severe renal impairment (eGFR < 30 mL/min/1.73 m²) where calcium accumulation can precipitate vascular calcification.
  • Hypercalcaemia, sarcoidosis, or other disorders that predispose to elevated serum calcium.

Risks, Side Effects, and Interactions

Common

  • Constipation – Calcium slows intestinal motility; adequate fluid intake mitigates this effect.
  • Bloating or gas – Carbon dioxide released during neutralisation can cause temporary distension.
  • Mild nausea – Often related to dose size; splitting the dose can reduce discomfort.

Rare

  • Kidney stone formation – Excess calcium can combine with oxalate; patients with a history of calcium‑oxalate stones should monitor total calcium intake.
  • Hypercalcaemia – Uncommon with recommended doses but possible with high‑dose regimens or concurrent vitamin D excess.

Serious

  • Severe allergic reaction (anaphylaxis) – Rapid onset of swelling, rash, difficulty breathing; requires immediate medical attention.
  • Metabolic alkalosis – Over‑neutralisation of gastric acid may raise blood pH, especially in patients on chronic antacid therapy.
Drug‑Drug Interactions
  • Iron salts and tetracycline antibiotics – Calcium chelates these agents, reducing their absorption; separate administration by at least 2 hours.
  • Thyroid hormone (levothyroxine) – Calcium carbonate can lower levothyroxine bioavailability; stagger dosing.
  • Bisphosphonates – Calcium interferes with oral bisphosphonate absorption; take bisphosphonate on an empty stomach with water, waiting 30 minutes before calcium.

Practical Use: Dosing, Missed Dose, Overdose

  • Standard adult dose for bone health – 1,200–1,500 mg elemental calcium per day, typically delivered as 500 mg calcium carbonate tablets taken with meals.
  • Antacid use – 1–2 tablets (500–1,000 mg calcium carbonate) chewed as needed, not exceeding 3 g of calcium carbonate in 24 hours.
  • Missed dose – Take the missed tablet as soon as soon as remembered; if the next scheduled dose is close, skip the missed one and resume normal schedule. Do not double‑dose.
  • Overdose – Ingesting >5 g of calcium carbonate may cause severe hypercalcaemia, renal impairment, or metabolic alkalosis. Seek urgent medical care; treatment may involve intravenous fluids and diuretics.
  • Food and alcohol – Calcium carbonate is best absorbed with meals; excessive alcohol may irritate the gastric mucosa and lessen antacid efficacy.
  • Comorbidities – Patients with chronic kidney disease should have serum calcium monitored regularly; dose adjustments may be necessary.

Buying Calcium Carbonate from Our Online Pharmacy

Calcium Carbonate can be purchased from our online pharmacy in the UK with a focus on safety, affordability and convenience.

  • Affordable pricing – We negotiate near‑manufacturer cost, passing savings to the customer without compromising quality.
  • Verified quality – All batches are sourced from licensed overseas pharmacies that meet MHRA GMP (Good Manufacturing Practice) standards.
  • Guaranteed delivery – Discreet packaging and reliable shipping options, including 7‑day express or approximately 3‑week regular airmail, ensure timely receipt.
  • Online‑only access – Our pharmacy broker service works with international licensed suppliers, allowing patients who face limited local availability to obtain genuine calcium carbonate safely.
  • Privacy‑focused – Orders are processed without revealing personal health information beyond what is required for delivery, respecting patient confidentiality.

FAQ

  • Can Calcium Carbonate be taken together with multivitamin supplements?
    Yes, calcium carbonate can be co‑administered with multivitamins that contain vitamin D, as the vitamin enhances calcium absorption. However, avoid multivitamins that also contain iron or zinc in the same tablet, because calcium may reduce their uptake.

  • Does the appearance of Calcium Carbonate tablets differ between manufacturers?
    Tablet colour, shape and imprint vary by producer; common generic tablets are white, round, and may bear a logo or batch number. Brand‑name versions such as Tums often have distinctive chewable shapes and flavours.

  • Is refrigeration required for Calcium Carbonate tablets?
    No. Store tablets at room temperature (15–25 °C) away from moisture, direct sunlight and heat sources. Excess humidity can cause the tablets to soften or dissolve prematurely.

  • What is the recommended storage for Calcium Carbonate powder?
    Keep the powder in its original, sealed container, preferably a resealable sachet or bottle with a tight‑fitting lid. Place it in a cool, dry place; do not refrigerate or freeze.

  • Can Calcium Carbonate affect routine blood tests?
    High calcium intake may elevate serum calcium levels, potentially influencing tests for parathyroid function or kidney function. Inform the laboratory if you have been taking calcium supplements regularly.

  • Are there any special travel considerations for Calcium Carbonate?
    When travelling abroad, keep the medication in its original packaging with a clear label. In airport security, it is advisable to carry it in hand luggage to avoid temperature extremes in checked baggage.

  • Do regional formulations of Calcium Carbonate contain different inactive ingredients?
    Yes. European formulations often use microcrystalline cellulose as a filler, while some US products may contain sorbitol or maltitol as sweeteners in chewable forms. Review the excipient list if you have specific allergies.

  • What historical data support the use of Calcium Carbonate as an antacid?
    Calcium carbonate has been used since the early 20th century, with clinical trials in the 196s demonstrating rapid neutralisation of gastric acid and a favourable safety profile compared with aluminum‑based antacids.

  • How does Calcium Carbonate compare with calcium citrate for absorption?
    Calcium citrate is absorbed more efficiently in individuals with low stomach acidity, such as older adults on proton‑pump inhibitors. Calcium carbonate requires an acidic environment for optimal dissolution, but when taken with meals its absorption is comparable.

  • Is there a maximum safe daily intake of elemental calcium from all sources?
    The UK Scientific Advisory Committee on Nutrition recommends not exceeding 2,500 mg of elemental calcium per day from all sources (diet, supplements, fortified foods) to minimise the risk of hypercalcaemia and kidney stones.

Glossary

Elemental calcium
The amount of calcium ion (Ca²⁺) that is actually available for absorption after accounting for the compound’s chemical composition.
Metabolic alkalosis
A disturbance in acid–base balance where blood pH rises above the normal range, often due to excessive loss of gastric acid or over‑use of antacids.
Gastro‑intestinal chelation
The process by which calcium binds to certain drugs (e.g., iron, tetracyclines) in the gut, forming complexes that are poorly absorbed.

⚠️ Disclaimer

The information provided about Calcium Carbonate is for general knowledge only. It does not replace professional medical consultation. All treatment decisions should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Calcium Carbonate for individuals who may have limited availability through traditional pharmacies, prescription‑based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

Information about ordering Generic Calcium Carbonate online

Buy placing an order on our website you must agree to the following: Your are above 18 years old, You do not have any contraindications to calcium carbonate so you can use Generic Calcium Carbonate safely, We do not provide any paper instructions, side effect warnings or usage directions with medication Calcium Carbonate. They are available only online on our website. We do not provide any doctors consultation -- please consult with your doctor before using this medication. We provide you a cheap alternative to save cost but we cannot replace real practioning medical specialist. When you order Generic Calcium Carbonate without a prescription you agreee that you will get generic pills manufactured in Inida, they will be shipped to you in anonymous package except you ordered traceable delivery. From our side we guarantee quality of Generic Calcium Carbonate - calcium carbonate medication that is sold through our site. We do our best and send medication in a valid condition and safely packed, however we may not guarantee worry free delivery to some countries where strict customs rules may apply. If you have questions do not hesitate to call us or use Live chat. After you place your order we may call you back for verification purposes.

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