⏱️ 8:00am - 6:30pm (Weekdays)  ⭐ Looking After London Since 1998 ✅ Registration Not Needed 🔒 Strictly Confidential 🩺 Affordable Private Healthcare

Vitamin D Testing

Turnaround

6 -12 hours

Appointment

15 minutes

vitamin d pills
4.8
4.8/5
4.7
4.7/5
Care Quality Commission
Primary Care & Diagnostics Finalist Award

Testing For Vitamin D Deficiency

Vitamin D is essential for your bone health and glucose metabolism. It helps your body absorb the calcium and phosphorous in your diet that keep your teeth and bones healthy.

A vitamin D deficiency can lead to numerous health conditions like rickets (in children) and osteomalacia (in adults). Therefore, regular vitamin D testing is paramount.

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Understanding The Need For Vitamin D

Vitamin D (also referred to as calciferol) is important for promoting calcium and phosphorus absorption and for maintaining the health of teeth, bones, and muscles. It also enhances pathogen-fighting white blood cells to support healthy immune system function. Additionally, it helps support muscle strength and performance, reducing the risk of falls and fractures, especially in older adults.

Vitamin D also plays a role in cell growth, neuromuscular function, and inflammation reduction. To sum it up, vitamin D is an incredibly crucial vitamin to monitor and maintain to ensure your well-being.

Signs Of A Vitamin D Deficiency

Signs of vitamin D deficiency can vary in severity and may include fatigue and tiredness, bone and back pain, muscle weakness, impaired wound healing, hair loss, frequent infections due to impaired immune function, and depression. Severe or long-term vitamin D deficiency can lead to conditions like osteoporosis or osteomalacia, where bones become weak and brittle.

Delayed growth in children and an increased risk of developing chronic diseases like cardiovascular disease, diabetes, autoimmune disorders, and certain cancers are also associated with vitamin D deficiency. It is important to recognise these signs early to prevent potential health complications.

Woman doctor smiling
Woman doctor taking notes

How To Combat A Vitamin D Insufficiency

Effective ways to increase your vitamin D levels include getting sun exposure (aim for 10-30 minutes of midday sunlight several times a week), changing your dietary intake (eat vitamin D-rich foods like oily fish, liver, red meat, and egg yolks), and consuming foods fortified with vitamin D.

Additionally, you can take vitamin D supplements; however, regular blood testing is still required when taking these supplements. Engaging in regular physical activity can also improve your overall health and support bone strength.

 

Individuals Susceptible To Vitamin D-Related Conditions

People who are most likely the most at risk for vitamin D deficiency diseases include:

  • Older Adults: Due to reduced skin synthesis and time spent outdoors.
  • Breastfed Infants: If the mother has a deficient, their might not be enough vitamin D present in her breast milk.
  • Individuals With Darker Skin: Higher levels of melanin reduce the skin’s ability to produce vitamin D from sunlight.
  • People With Certain Medical Conditions: Specifically conditions affecting fat absorption, such as Crohn’s disease, celiac disease, and cystic fibrosis, and chronic kidney or liver diseases, which affect vitamin D metabolism.
  • Obese Individuals: Higher amounts of body fat can sequester more vitamin D.
  • People With Limited Sun Exposure: Especially those living in higher latitudes with less sunlight, or who stay indoors often.
  • People With Certain Dietary Restrictions: Vegetarians or vegans who do not consume fortified foods or supplements, as well as individuals with lactose intolerance or milk allergies, limiting intake of fortified dairy products.
  • Those On Certain Medications: Medications like anticonvulsants, glucocorticoids, and certain weight-loss drugs affect vitamin D metabolism.

Statistics​

Of the population in the UK have a Vitamin D deficiency
0 %
Adults unaware of UK Government guidelines for Vitamin D
0 %
Blood Tests For Each Person Are Performed Annually
0
Completed Blood Test This Year
0 %

How To Book A Blood Test

book online or call us

Use our online booking engine or book your test by giving us a call.

Choose your test type

On the online booking engine select the “appointment type” you need.

meet with our experts

You will be seen by one of our friendly phlebotomists or trained clinicians.

Procedure

Type of sample taken: Blood
preparing for appointment

Preparing for test

By arriving to your test adequately hydrated will contribute to a more effective and comfortable blood-drawing and vitamin D testing experience overall.

during the appointment

During the test

By arriving to your test adequately hydrated will contribute to a more effective and comfortable blood-drawing and vitamin D testing experience overall.

post appointment

Results

The results will be sent to you by email as a PDF attachment. If you had a consultation with one of our GPs, they will also give you a call to discuss your results. If you decide to have just a blood test with us, no interpretation is provided.

Why Choose Walk In Clinic
for blood testing

No
Hidden Charges

Transparent fees. The price you see is the price you pay.

No GP consultation
needed

No GP appointment requirement for blood tests

Established
since 1998

Experienced doctors & a professional team.

Strictly
confidential

Your medical records are kept private at all times.

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Book Your Blood Test Today

We offer a wide range of private blood tests in London. Same-day appointments are available 5 days a week.

Specialist Medical Team

We work with experienced consultants & healthcare professionals who have received positive feedback from our patients, and with whom we have established long-term relationships.

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What is the function of Vitamin D in the body?
Vitamin D helps your body to absorb calcium and promotes bone growth and bone health. Deficiency in Vitamin D is associated with bone disease, as well as depression, heart disease, and some cancers.
How do we get Vitamin D?
Most of the vitamin D in our bodies is created from direct sunlight on the skin. Being outside in the sunshine every day, for a short period of time (10 minutes for lightest skin tones, longer for darker), with forearms, hands or lower legs uncovered and without sunscreen through the Spring, Summer and early Autumn, from 11am – 3pm, is the best way to promote your body’s production of vitamin D. Longer sun exposure is not thought to cause additional benefits, and it is important that you are careful not to burn.You can also increase vitamin D levels through your diet. Oily fish such as salmon, sardines, and mackerel are high in vitamin D, and butter and eggs (especially the yolks) are also good sources. Small amounts of Vitamin D are added to some foods such as breakfast cereals, soy and dairy products, and to all infant milk formula.
Am I low in Vitamin D?
If you think you might be low in Vitamin D, the best thing to do is come in for a test. The doctor may recommend that you test your Vitamin D levels if you are experiencing symptoms such as fatigue and

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