Ingredient

Calcium Citrate Hydrate

Calcium citrate hydrate is used as a calcium supplement for maintaining bone health.

All medicines
95
Combination
95
Prescription medication
1
OTC medication
94

MFDS ingredient code M247470

What does it do?

Calcium citrate hydrate is an inorganic compound that supplies calcium ions, primarily used in medicines to supplement calcium deficiency. It supports skeletal health when taken with vitamin D and helps in the prevention of osteoporosis.

In the body, calcium citrate hydrate releases calcium ions, increasing blood calcium levels. Calcium is a major component of bones and teeth, essential for maintaining bone strength. It also plays a crucial role in nerve and muscle functions.

Approved uses differ by product. Check each product's information for its actual use.

Good to know

Calcium citrate hydrate is less burdensome on the stomach and has a good absorption rate compared to other calcium preparations. It can effectively supply calcium even to individuals with low stomach acid, making it suitable for various age groups.

Medicines containing this ingredient

Even with the same ingredient, strength, dosage form and how it is taken can differ.

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Dosage form
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95 total

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Even with the same ingredient, dosage and approved uses can differ by strength, dosage form and combined ingredients. Check each product's information before taking it.

Combined ingredients

Ingredients used together with this ingredient in combination products.

Questions about this ingredient

  • QMy mother is taking medication for osteoporosis; can she also take calcium supplements?

    Citric acid calcium hydrate is used to supplement calcium deficiency and prevent osteoporosis; however, the medications or supplements you are already taking may contain calcium or vitamin D. It is necessary to check for ingredient overlap, so please consult with a pharmacist or your physician about all the medications you are taking.

    Answers 1 · 2026.09.14

  • QWhat role does calcium play in the body?

    Citric acid calcium hydrate releases calcium ions in the body, increasing blood calcium levels. Calcium is a major component of bones and teeth and plays an important role in nerve and muscle function. It is used together with vitamin D to support skeletal health.

    Answers 1 · 2026.09.14

  • QHow is calcium citrate different from other types of calcium?

    According to the explanatory materials, citric acid calcium hydrate has less gastrointestinal burden and better absorption compared to other calcium preparations, and it can provide calcium even for individuals with low gastric acid. However, the content and dosage may vary by product, so please check the instructions.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

SourceKorea Ministry of Food and Drug Safety (Drug Safety Korea)

This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.