Vitamin D supports calcium absorption and is important for bones and muscles. The body makes vitamin D in the skin under the influence of sunlight; food provides a smaller share. Some groups need a preventive supplement, but high doses without an indication can cause dangerously high calcium levels.
- Mild deficiency often causes no symptoms and cannot reliably be identified from tiredness alone.
- Bone pain, widespread muscle pain, weakness around the hips and shoulders or difficulty climbing stairs may suggest severe, prolonged deficiency.
- Follow only the prevention advice appropriate to your age and situation, and add up vitamin D from all drops, tablets and combination products.
- Choose foods containing vitamin D, such as oily fish and fortified products, as part of a varied diet, without regarding this as treatment for severe deficiency.
- Make an appointment for bone pain, clear muscle weakness, repeated fractures or a child with abnormal growth or leg alignment.
- For urgent GP care outside normal opening hours, call HAP 9252. Call Ambulance 912 only for an immediately life-threatening situation.
Article status
- Version
- 1.0
- Purpose
- General medical information
- Last updated
- Sources consulted
- 8
Have you found an error or unclear information? Give feedback on this article.
General information, not personal medical advice
This article has been carefully prepared but may contain errors or become outdated as medical knowledge changes. It does not replace diagnosis, examination or treatment by your own GP. Always discuss personal questions and starting, stopping or changing medicines or treatments with your own GP.
For a life-threatening situation, call Ambulance 912. For urgent care outside office hours, call HAP 9252.
Read the full disclaimerYour response
Two anonymous questions
Did you find what you were looking for?
Do you now have a clearer idea of your next step?
Share article
Search by type of care, organisation, name or district.
