A vitamin D test checks how much vitamin D is in your blood. Vitamin D helps keep your bones strong and supports a healthy immune system, which helps your body fight infections.
Who’s it for
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People who spend little time outdoors
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People living in institutions such as care homes
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People who usually wear clothing that covers most of their skin
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People with darker skin tones, including African, African-Caribbean, or South Asian backgrounds
What’s included
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Test cassette
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Instructions for use
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Colour card
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Plaster
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Alcohol wipe
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Lancet (finger-prick device)
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Buffer solution
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Capillary dropper
You will also need a timer.
⚠️ Important: If your symptoms are severe, ongoing, or getting worse, please contact your doctor promptly. This test does not replace an in-person medical assessment with your doctor.
