Vitamin D
Answers to common questions about vitamin d.
Questions on this page
What is the vitamin D test?
The usual blood test is 25-hydroxyvitamin D [25(OH)D].
Why is vitamin D important?
Vitamin D contributes to:
- Calcium absorption
- Bone mineralization
- Muscle function
- Overall skeletal health
What does a low vitamin D level mean?
It may indicate inadequate vitamin D status, although interpretation depends on the clinical context and laboratory reference range.
Should everyone take high-dose vitamin D?
No.
Vitamin D supplementation should be appropriate to the individual's requirement. Excessive dosing can cause toxicity and hypercalcaemia.
Can vitamin D deficiency cause bone pain?
Significant deficiency can contribute to osteomalacia, muscle weakness and bone or muscle discomfort.