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Iron and vitamins
Vitamin D
Measures a vitamin important for bone and muscle health.
What it measures
It measures the amount of vitamin D in the blood.
Why it is tested
It is commonly used to assess vitamin D status and deficiency risk.
Low results
Low results may be associated with low intake, limited sun exposure, or poor absorption.
High results
High results may be associated with excessive supplements or certain medical conditions.
Related tests
Calcium, Magnesium
Sources
Disclaimer
This information is for education only and is not a substitute for medical advice. Results should be interpreted by a qualified clinician alongside your symptoms and medical history.