Active B12

Also known as holotranscobalamin also see Vitamin B12. Active B12 accounts for approximately 10 to 20% of total B12 levels. Considered to be a more sensitive marker than serum B12 as it degrades faster than serum B12 with a short life span making it a more sensitive indicator or B12 deficiency.

Available Tests

Bespoke

FDX 00

£30.00

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Full Biomarkers +

Cardio Check

FDX 21

£659.00

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Thyroid Ultra

FDX 22

£575.00

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Femme Ultra

FDX 25

£535.00

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Femme Reset

FDX 26

£525.00

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Man Reset

FDX 27

£535.00

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Man Ultra

FDX 28

£545.00

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Weight Aware

FDX 29

£595.00

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Femme Fertility

FDX 32

£685.00

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Fertility For Men

FDX 33

£615.00

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Brain Check

FDX 34

£525.00

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Active B12 & Red Cell Folate

FDX 37

£72.00

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Active B12

FDX 75

£45.00

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Thyroid Baseline

FDX 401

£175.00

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Femme Essential

FDX 402

£199.00

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Man Essential

FDX 403

£199.00

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Femme Essential+

FDX 404

£245.00

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Man Essential+

FDX 405

£245.00

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Full Biomarkers +

Professional test kit instructions

Patient Test Info Sheet

Example Snapshot Report

The FDX Method

Find a Blood Draw

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