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Calcium and Vitamin D

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Vitamins and minerals Adult

Calcium and Vitamin D - What is it for

Calcium is a mineral that helps build strong bones and teeth. Maintaining an adequate intake of calcium is important to promote good bone health and prevent osteoporosis and fractures. Vitamin D helps to improve the absorption of calcium in the body.

Calcium and Vitamin D - Side Effects, Precautions, and Contraindications

What side effects can Calcium and Vitamin D cause?

Calcium supplements cause few, if any, side effects. However, some people may experience constipation, bloating or gas. Drink extra fluids and eat more fruits and vegetables to prevent constipation.

Before taking Calcium and Vitamin D, what precautions must I follow?

What food or medicine must I avoid when I take Calcium and Vitamin D?

Limit your intake of coffee and alcohol and avoid smoking to reduce bone loss.

Calcium and Vitamin D - Dosage and How to Use

How should Calcium and Vitamin D be used?

The usual recommended dose is 1 to 2 tablets daily. Follow the instructions as provided in the label or check with your healthcare provider for advice. The Recommended Dietary Allowances (RDA) for Calcium intake is as follows:

Age Groups​​RDA for Calcium
​Adolescents (10-18 years)​1000mg
​Adults (19-50 years)​800mg
​Adults (51 years and above)1000mg
​Breastfeeding/pregnant​1000mg
Calcium and Vitamin D should be taken with or after food to increase absorption.

What should I do if I miss a dose?

What should I do if I overdose?

Calcium and Vitamin D - Handling

How should I handle Calcium and Vitamin D safely?

Calcium and Vitamin D - Storage

How should I store Calcium and Vitamin D?

Keep away from children;#Keep in a cool, dry place, away from direct sunlight;#Store at room temperature;#

How should I dispose of Calcium and Vitamin D safely?

Calcium and Vitamin D - Additional Information

In addition to taking calcium supplements, you can also increase your calcium intake by eating more calcium-rich foods, such as milk, cheese, ikan bilis, sardines, tofu, spinach and kai lan.

Your body needs vitamin D to absorb calcium. You can obtain vitamin D from direct sunlight. Therefore, outdoor activities such as walking or gardening are beneficial to getting enough Vitamin D.

You can also obtain Vitamin D from foods such as cereals, eggs, oily fish (salmon, cod, mackerel), certain brands of milk and Vitamin D-containing supplements such as Calcium and Vitamin D Tablets.

Calcium may reduce the absorption of some medications, such as certain antibiotics and supplements (e.g. iron). It should be spaced at least 1 to 2 hours apart from these medicines. Inform your doctor or pharmacist about any other medications you may be taking or starting before you begin taking calcium supplements.

Do not take if you are:

  • Allergic to any of the ingredients
  • Have hypercalcemia (high calcium level in blood), hypercalciuria (excessive urinary elimination of calcium)
  • Updated on Saturday, October 7, 2017
  • Article contributed by Pharmacy Department KK Women's and Children's Hospital

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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