Ingredient Information
Summary
Calcium Carbonate is a common form of calcium, a vital mineral for maintaining normal bones and teeth. It is often used in supplements to help individuals meet their daily calcium needs, especially if their diet lacks sufficient calcium-rich foods. This compound is also used as an antacid to relieve heartburn and indigestion. People who may benefit from Calcium Carbonate include those with increased calcium requirements, such as postmenopausal women, older adults, and individuals with lactose intolerance. It is important to follow recommended dosages and consult with a healthcare professional before starting any supplement regimen to ensure it is appropriate for your needs.
Key Facts
- Type: Mineral
- Natural source: Limestone, marble, and chalk
- Typical supplemental dose: 500-1,200 mg (40-96% NRV)
- Used for: Bone health and manufacturing
- First discovered/isolated: 1808
What Is Calcium Carbonate?
Calcium Carbonate, also known as limestone or chalk, has the chemical formula CaCO₃ and is classified as an inorganic compound. It typically appears as a white, odourless powder or colourless crystals. Sourced from natural deposits, it is mined from quarries or extracted from marine organisms like coral and shells. In manufacturing, it can be produced by reacting calcium oxide with water and carbon dioxide. Calcium Carbonate is widely used as a dietary supplement, contributing to normal bone and teeth maintenance. It also serves as an antacid, neutralising stomach acid effectively.
How It Works In The Body
Calcium Carbonate works by providing calcium, which is essential for maintaining normal bones and teeth. When ingested, it dissolves in the stomach acid, releasing calcium ions that are absorbed into the bloodstream. This helps support muscle function and neurotransmission (nerve signalling).
Safety & Interactions
- Calcium carbonate is generally recognised as safe when consumed within recommended amounts.
- Individuals with hypercalcaemia or kidney stones should consult a healthcare professional before use.
- Those with achlorhydria may have reduced absorption of calcium carbonate.
- The UK upper intake level for calcium from all sources is 1,500 mg per day for adults.
- Excessive intake may lead to digestive issues, such as constipation or bloating.
Always consult your health practitioner before taking nutritional supplements, especially if you are taking medication or are under medical supervision. You should not take supplements as a substitute for a varied balanced diet or healthy lifestyle.
FAQs
What is Calcium Carbonate used for?
Calcium Carbonate is commonly used as a calcium supplement. It contributes to the maintenance of normal bones and teeth.
How should I take Calcium Carbonate supplements?
Take Calcium Carbonate with food to enhance absorption. Follow the dosage instructions on the product label or as advised by a healthcare professional.
Are there any side effects of Calcium Carbonate?
Some may experience digestive discomfort, such as bloating or constipation. If you have concerns, consult a healthcare professional.
References
1. https://pubmed.ncbi.nlm.nih.gov/15755856/
Calcium supplementation increases stature and bone mineral mass in adolescent boys.
2. https://pubmed.ncbi.nlm.nih.gov/21213114/
Efficacy of calcium supplementation for human bone health by mass spectrometry profiling.
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC6276611/
A review of calcium intake on human health, including its effects on colorectal cancer risk.
4. https://www.ncbi.nlm.nih.gov/books/NBK562303/
Calcium carbonate is used for managing low calcium conditions, GERD, and other health issues.
Our products that contain Calcium Carbonate
Where next?
Information on this page is for educational purposes only and is not a substitute for personalised medical advice. Always consult a healthcare professional before making dietary changes or starting new supplements.