• Vitamin D Levels  - The National Blood Test Clinic
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Vitamin D Test | Vitamin D Deficiecny Blood Test

Vitamin D Test | Vitamin D Deficiecny Blood Test

£82.60 GBP
£82.60 GBP
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Worried about constant fatigue, muscle weakness, and frequent infections? These could be signs of Vitamin D deficiency, a common but often neglected health issue. Low Vitamin D levels can cause weakened immunity, depression, and poor bone health. Early detection with a Vitamin D Test can help avoid the symptoms and improve overall health.

With our Vitamin D home test kit UK, you can easily check your Vitamin D level without visiting a clinic. Order your Vitamin D deficiency blood test online and get complete insights about your health.

What Gets Tested

This blood tests measures the primary circulating form of Vitamin D in your blood.

Markers included:

  • Vitamin D (25-Hydroxyvitamin D)
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What This Vitamin D Test Measures

Vitamin D is essential for
  • Absorbing calcium and phosphorus
  • Maintaining strong bones and teeth
  • Supporting immune function
  • Boosting mood and energy
  • Reducing inflammation
Low vitamin D levels can result in
  • Tiredness or low energy
  • Muscle aches or joint pain
  • Weakened immunity
  • Depression or low mood
  • Risk of osteoporosis or bone fractures

Who Should Take This Test

How Our Vitamin D Blood Test Works

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  • Collect your sample at home using our finger-prick kit.

  • Send it to our certified lab using the prepaid envelope.

  • Get your results online within a few working days.

  • Receive personalised health insights from a qualified team.

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How To Use The Home Test Kit

Frequently Asked Questions (FAQs)

What is Vitamin D and why do I need it?

Vitamin D is a fat-soluble vitamin that helps regulate calcium and phosphate. It's key for bone health, immune support, and mental well-being.

What’s a healthy level of VitaminD?

Vitamin D levels are measured in either nanomoles per litre (nmol/L) or nanograms per millilitre (ng/mL). Here’s how the levels are generally classified:

●   Deficiency: Less than 30 nmol/L (or 12 ng/mL) indicates a deficiency that may affect bone health, immunity, and overall well-being.

●   Sufficient: 50 nmol/L (or 20 ng/mL) or above is considered a healthy range for maintaining normal body functions.

●   High or Toxic: More than 125 nmol/L (or 50 ng/mL), may lead to toxicity and should be monitored by a healthcare professional.

How can I increase Vitamin D?

  • Spend time in natural sunlight (10–30 mins a day)
  • Eat fatty fish, egg yolks, and fortified foods
  • Take high-quality vitamin D supplements

Can I have too much vitamin D?

It's rare but possible with excessive supplementation. Always follow medical advice before taking high doses.

Is this test suitable for home use?

Yes. Our at-home kit is simple, safe, and includes everything you need to check
your vitamin D levels.

Is there any age limit for home blood testing for Vitamin D?

Yes, you must be over 18 years of age to order your blood test for Vitamin D at-home.

What do the results of a vitamin D test indicate?

Your Vitamin D test results help determine whether your blood levels fall within a deficient, insufficient, sufficient, or toxic range:

●   Deficiency: Indicates significantly low levels of Vitamin D, which may lead to symptoms such as fatigue, bone pain, or frequent infections.

●   Insufficiency: Suggests low Vitamin D but without any noticeable symptoms It can affect health in long-term.

●   Sufficiency: Reflects an optimal level of Vitamin D, indicating that your body has an adequate supply for normal functioning.

●   Toxicity: Indicates excessively high level of Vitamin D, which can be harmful and may require medical attention.