Vitamin D Blood Test
Vitamin D Blood Test
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Vitamin D deficiency is one of the most common deficiencies faced by the UK population. This is due to a lack of sun exposure. As many people work indoors, they fail to reach their minimum vitamin D dosage requirements, which can lead to a whole host of complications and health issues.
If you think you might be deficient in vitamin D, then take our advanced Vitamin D test to find out the very next day. Vitamin D supplements are available in many different forms, including tablets, capsules and liquids. To find our list of vitamin D supplements click here.
Symptoms of a vitamin D deficiency:
- Fatigue and a general feeling of being tired all the time
- Muscle weakness
- Impaired muscle growth (especially among athletes)
- Impaired bone density
- Bone pain
Vitamin D is a vital nutrient that helps the body absorb calcium and phosphorus, which are essential for strong bones and teeth. A lack of vitamin D can lead to bone loss and an increased risk of fractures. Vitamin D also plays an important role in maintaining a healthy immune system.
A vitamin D blood test is a common way to measure how much vitamin D is in your blood. It's used to help diagnose and monitor vitamin D deficiencies. The test measures the level of 25-hydroxyvitamin D (25OHD) in your blood. This is the most accurate measure of your vitamin D levels.
A vitamin D blood test is usually recommended if you have:
- Symptoms of a vitamin D deficiency, such as muscle weakness and pain, low levels of calcium in the blood, or frequent infections
- Dark skin and live in a region with low sunlight exposure year-round
- A medical condition that increases your risk of vitamin D deficiency, such as Crohn's disease or celiac disease
- Been taking medication that can lower your vitamin D levels, such as thiazide diuretics or corticosteroids
Your doctor may also recommend a vitamin D blood test if you're being treated for a vitamin D deficiency. This can help ensure that your treatment is working.
The results of a vitamin D blood test are reported as nanomoles per liter (nmol/L). The normal range is 30 to 74 nmol/L. A level of 20 ng/mL or lower is considered a vitamin D deficiency.
If your vitamin D levels are low, your doctor may recommend taking a supplement or getting more sunlight exposure. They may also recommend further testing to look for other causes of your symptoms.
Vitamin D is an important nutrient that helps keep your bones strong and your immune system healthy. A simple blood test can check your vitamin D levels and help ensure you're getting enough of this important nutrient.
Many people do not get enough vitamin D from their diet, and as a result, may be at risk for deficiency. The best way to ensure adequate vitamin D intake is to get regular exposure to sunlight. However, people who do not have access to sunlight or who have dark skin pigmentation may need to take a supplement to meet their needs. Talk to your doctor about whether you should take a supplement.
Some foods that are high in vitamin D include fatty fish, such as salmon and tuna, fortified milk, orange juice, and cereals. If you are concerned about whether you are getting enough vitamin D, ask your doctor to test your blood level.
All orders placed Mon - Fri before 14:00 will be sent that day for next day delivery via the Royal Mail.
Orders placed after 14:00 will be dispatched the following day, for delivery the day after.
All orders placed on Saturday and Sunday will be sent out on the next working day. Such as Monday, with the kits arriving on Tuesday.
What comes in the box?
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How it works?
Order your Vitamin D Test
Take the test at home in minutes
Receive your result fast - no lab waiting times!
Information On Our Instant Tests h3>
The Vitamin D test is an immunoassay based on the principle of competitive binding. During testing, the specimen migrates upward on the membrane chromatographically by capillary action. The membrane is pre-coated with 25 (OH) D antigens on the test line region of the strip - the higher concentration of antigens in the specimen, the lighter would be the T line.
Reading the results
The result will be read according to the colour card provided with the kit. To serve as a procedural control, a coloured line will always appear in the control line region indicating that the proper volume of specimen has been added and membrane wicking has occurred.
How does the home health test process work?
Where do I send my sample?
When will I get my results/how will I receive my results?
Results are usually processed within 2 – 3 working days. If a sample is sent over the weekend (which we do not recommend), you will receive your results within 2 – 3 days from Monday. Once your results and personalised report is ready to view, you will receive a notification via email to log in to the Official Rapid Test online platform.
What do I need to do before my test? i.e. fast, no drinking, etc
2. Open the pouch, remove the test cassette and place it on a clean and level surface. Carefully pull off and dispose of the cap of the lancet.
3. Clean your fingertip with the alcohol pad provided.
4. Press the orange end of the lancet against the fingertip. The tip retracts automatically and safely after use.
5. Keeping the hand pointing downwards, massage the end of your finger to obtain a blood drop.
6. Without squeezing the dropper, place it in contact with the blood. The blood migrates into the dropper up to the line indicated. Avoid air bubbles, you may need to massage your finger again if the blood does not reach the line.
7. Put the collected blood into the sample well of the cassette by squeezing the dropper bulb.
8. Wait for the blood to be totally dispensed in the well. Unscrew the cap of the buffer bottle and add 1 drop of buffer into the sample well of the cassette.
9. Wait for the coloured line to appear. Read results at 10 minutes. Compare the T line intensity with the vitamin D colour card provided to determine the vitamin D level in your blood. Do not interpret the result after 20 minutes.
Vitamin D deficiency risks
- Multiple sclerosis
- Cardiovascular diseases
- Pregnancy complications
- Autoimmune diseases
- Different cancers
- Infectious diseases
- Higher mortality
How do I know which test to take?
What if my results show that I’m outside the normal range?
Where does my information go, and is the system secure?