Which? reports inconsistent results from rapid home vitamin D tests

Health · First reported 30 Oct, 00:01 · Updated 07:03

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Which? compared five rapid home vitamin D tests with a laboratory blood test and found varied results; it advised people concerned about their levels to seek professional advice. The MHRA said it was reviewing regulations for self-tests.

Which? compared five rapid home tests with a laboratory test taken by the same person on the same day, and reported significant variation in results.
The laboratory test showed a sufficient vitamin D level; the five rapid tests produced two insufficient, two deficient and one sufficient result.
Which? shared its findings with the MHRA, which said it was reviewing regulations; Which? advised people concerned about their levels to consult a qualified healthcare professional.

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Key facts

Kits tested: Five rapid tests, each costing around £8.
Comparison: The same person’s results were checked against a CQC-registered laboratory test taken the same day.
Laboratory result: Vitamin D levels were within a sufficient range.
Rapid-test results: Two indicated insufficient levels, two indicated deficiency and one indicated sufficient levels.
Regulatory response: The MHRA said it was reviewing existing regulations, with proposed changes intended to raise standards for self-tests.