Check whether your Vitamin D level is deficient, insufficient, sufficient or excessive with a simple at-home blood test.

The Prima Vitamin D Test is a semi-quantitative self-test that measures Vitamin D in whole blood, using a competitive protein-binding method and a comparison colour card to estimate your result range.

Who It's For

People commonly at risk of Vitamin D deficiency, including those who tire easily, get limited sun exposure, have a limited dietary intake, or have impaired intestinal absorption.

What's Included

• 1 test cassette
• 1 vial with dropper containing diluent
• 2 sterile lancets
• 1 capillary pipette for blood sampling
• 1 cleansing gauze
• 1 comparative colour card
• Instructions for use

How to Use

1. Prick your fingertip with the sterile lancet provided.
2. Draw up the blood sample to the line marked on the pipette.
3. Deposit the sample into the sample well (S) on the test cassette.
4. Add 2 drops of diluent, wait 10 minutes, then compare the result line to the colour card.

Accuracy

Measuring range 10–100 ng/mL, with 94.4% accuracy. Results are read as deficient, insufficient, sufficient or excessive.

This self-test is a screening tool only and does not replace professional medical diagnosis. Please discuss any result with your pharmacist or doctor.

Frequently Asked Questions

How accurate is this test?

The test has been shown to be 94.4% accurate across a measuring range of 10–100 ng/mL.

What do the result categories mean?

Results fall into deficient, insufficient, sufficient or excessive ranges based on how the test line compares to the colour card; deficient or excessive results should be discussed with your doctor.

What if I don't read the result within the stated time?

Read the result at exactly 10 minutes and compare it to the card straight away for the most reliable reading.

Who is most at risk of Vitamin D deficiency?

People with limited sun exposure, low dietary intake, or conditions that affect nutrient absorption are most commonly at risk.