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The Tri Test offers three of the five finger-prick at-home tests that we suggest, neatly grouped together. Ordering the tests like this costs a lot less than ordering all five individuals, and means you only have to do one finger prick, rather than three.
In this test we have grouped together the tests for iron status (including transferrin saturation), inflammation (hs-CRP), and vitamin D.
If you have already had the other tests done elsewhere, this option may be best for you.
Information about each individual test is available on the page for that test.