Priciest magnesium test in this group by some margin
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.
Liver fibrosis test priced well above the market median
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.
Single diabetes marker priced well above the category norm
Checks for islet cell antibodies, used to help distinguish autoimmune type 1 diabetes from diabetes caused by other factors.
Vitamin E check priced well above typical vitamin tests
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.
8-gene thyroid genetics swab, price unbenchmarked
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.
Priciest named calprotectin test of the three we compare
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.
Mid-priced gut microbiome test, 18% below the group median
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.
C-peptide test priced well above the diabetes-test median
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.
Single hormone marker with a long 20-day wait
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.
Single vitamin A test priced well above typical
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.
Single DHT marker, priced above the men's hormone median
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.
Single thyroid marker with a slow 20-day US lab turnaround
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.
