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19 Tests reviewed

YorkTest tests (160)

Vitamins & minerals

Whole Blood Magnesium

This is a single blood test for magnesium, measured in whole blood rather than serum, which can give a more complete picture of the body's total magnesium level. It suits people who want the whole blood method specifically, rather than the more common serum test.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 10 days
6.7 / 10 Priciest magnesium test in this group by some margin
£136.25
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Liver & kidney

Enhanced Liver Fibrosis - ELF

This test combines three biomarkers into a single ELF score, used to assess the level of liver fibrosis without a biopsy. It suits people with liver health concerns who want this more specific marker checked, usually alongside other liver tests.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 10 days
6.6 / 10 Liver fibrosis test priced well above the market median
£196.25
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Vitamins & minerals

Vitamin E - Alpha Tocophero

This is a single blood test for vitamin E, a fat-soluble vitamin that acts as an antioxidant. It suits people who have a specific reason to check their vitamin E level, since deficiency is uncommon in the general population.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 10 days
6.6 / 10 Vitamin E check priced well above typical vitamin tests
£130.25
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Genetic & DNA

DNAblue Thyroid Genetic Traits

This DNA swab test looks at variations across 8 genes linked to thyroid hormone production, conversion and signalling. It suits people interested in genetic factors that may affect thyroid function, alongside other thyroid testing.

GB
  • At-home test
  • Doctor reviewed
  • 8 biomarkers
  • Results in 35 days
6.6 / 10 8-gene thyroid genetics swab, price unbenchmarked
£162.25
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Gut health

Faecal Calprotectin

This at-home stool test measures faecal calprotectin, a marker released when the gut lining is inflamed. It suits people with ongoing digestive symptoms who want a first check for gut inflammation before seeing a GP or specialist.

GB
  • At-home test
  • Doctor reviewed
  • 1 biomarkers
  • Results in 6 days
6.5 / 10 Priciest named calprotectin test of the three we compare
£146.25
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Gut health

Gut Microbiome

Analyses a stool sample using qPCR and 16S rRNA sequencing to profile the balance of bacterial and archaeal species in your gut, with a report broken into sections such as diversity and short-chain fatty acid scores.

GB
  • At-home test
  • Doctor reviewed
  • Results in 20 days
6.4 / 10 Mid-priced gut microbiome test, 18% below the group median
£186.25
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Diabetes & blood sugar

C Peptide

A blood test for C-peptide, a stable marker of insulin production, commonly used alongside fasting glucose to help build a picture of how the pancreas is functioning.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 7 days
6.4 / 10 C-peptide test priced well above the diabetes-test median
£139.25
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Hormones

Pregnenolone

Pregnenolone measures a steroid hormone that acts as a building block for other hormones such as progesterone. It suits people investigating broader hormone balance alongside other tests.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 20 days
6.3 / 10 Single hormone marker with a long 20-day wait
£139.25
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Vitamins & minerals

Vitamin A

Checks Vitamin A, a fat-soluble vitamin involved in cell growth, immune function and vision. Suited to checking this one marker rather than a broader vitamin panel.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 7 days
6.2 / 10 Single vitamin A test priced well above typical
£158.25
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Men's hormones

Dihydrotestosterone (DHT)

This test measures dihydrotestosterone (DHT), the most active form of testosterone in the body. It suits men investigating hormone-related symptoms such as hair loss or prostate concerns who want this specific marker checked.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 12 days
6.2 / 10 Single DHT marker, priced above the men's hormone median
£89.25
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Thyroid

Reverse T3

Reverse T3 is a thyroid-related marker sometimes tested alongside Free T3, though the provider's own description notes debate over how useful it is for guiding treatment. It suits people who specifically want this marker rather than a standard thyroid panel.

GB
  • Doctor reviewed
  • 1 biomarkers
  • Results in 20 days
6.1 / 10 Single thyroid marker with a slow 20-day US lab turnaround
£101.25
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