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Calcium carbonate and calcium phosphate are effective tools for adding extra calcium to one's diet. Both can be accessed over the counter, are readily available, and can be found in multiple formats such as pills, chewable tablets, and powders. While both are effective supplements, they have benefits and drawbacks them should be considered before adding them to a daily vitamin regimen. While the best way to maintain a healthy level of calcium is toeat a balanced diet, supplements can aid in ensuring continued health and treating and preventing certain diseases.

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What is Calcium Phosphate?

Calcium phosphate is a dietary supplement used to treat calcium deficiency. Specifically, it is naturally occurring calcium that has bonded to phosphate. For dietary purposes, it is available in tablet, powder, and chewable forms. It typically contains an impressive 39% calcium, while other supplements have only 20%.

a teaspoon of calcium phosphate being poured into a glass
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What is Calcium Carbonate?

An alternative to calcium phosphate, calcium carbonate — the latter is a mineral in limestone — has the added benefits of an antacid to neutralize stomach acid. It is one of the most common options, as it dissolves well, for rapid absorption. Calcium carbonate is available in both capsule and powder form. Typically, it is 40% calcium by weight.

calcium carbonate container in a lab
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Uses of Calcium Supplements

Calcium supplements such as calcium phosphate and calcium carbonate provide several benefits. While the primary use is to build and maintain strong bones and prevent osteoporosis, that is not all they can achieve. Combining calcium supplements with vitamin D (which aids in the absorption of calcium) has been found to protect against cancer, diabetes, and high blood pressure.

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Who Should Take Them

Every person, young and old, should be meeting a daily minimum requirement of calcium. Averages change based on age and sex. For those who are not reaching this amount through natural sources such as dairy and leafy greens, a doctor may recommend a calcium supplement. In particular, the following groups may need calcium supplementation:

  • Vegans
  • Lactose intolerant people
  • Anyone receiving long-term corticosteroid treatment
  • Those with a diet high in protein or sodium
  • Those with bowel or digestive issues
questionairre concept "getting enough calcium"
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Advantages of Calcium Phosphate

While any calcium delivery system has its advantages, phosphate is required for optimal bone health, making calcium phosphate ideal for those with a deficiency, typically associated with celiac disease, kidney issues, alcohol disorder, and those who take too many antacids. Another benefit of calcium phosphate is that the amount of calcium is higher than most other supplements.

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Disadvantages of Calcium Phosphate

While phosphate is essential for bone health, too much can lead to osteoporosis or issues with kidney function. Because most people get sufficient phosphates through diet, adding more via calcium supplements may cause issues. Because of this, calcium phosphate may only be appropriate for those with other health issues. Be sure to discuss any supplements or medications with a doctor before adding them to a daily plan.

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Advantages of Calcium Carbonate

Calcium carbonate can be used in the treatment of many disorders including dyspepsia, hungry bone syndrome, hypocalcemia, and tumor lysis syndrome. Similar to calcium phosphate, it has a high volume of calcium, making it ideal for bone deficiencies. It can also be used to decrease the levels of phosphates in blood. Additionally, it is the cheapest calcium supplement on the market and can double as an antacid.

person adding an antacid to a glass of water
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Disadvantages of Calcium Carbonate

While the Both calcium phosphate and calcium carbonate can effectively increase calcium in the body, containing higher percentages of calcium than many other supplements. That said, . Regardless of the supplement, it is important to discuss it with a doctor prior to use. Both supplements are available in different forms for ease of use and are absorbed more effectively with vitamin D. Supplements are good for people who have limitations to their diet that prevent them getting enough of a vital nutrient, or those with deficiencies preventing their bodies from properly absorbing a nutrient. However, natural sources are usually the best option, and in the case of calcium, there are many choices. — that could remove the need for a supplement — include


Disclaimer

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.