Total T3

Represents the total of free and bound T3 in the blood, represents approximately 90% of T3. A small percentage is made directly in the thyroid gland and rest predominantly made in the liver and kidney by the conversion of T4 to T3. Levels are used to determine T4 conversion syndrome, Euthyroid sick syndrome, Selenium and Iodine sufficiency and Hyperthyroidism.

Available Tests

Bespoke

FDX 00

£30.00

View ▸
Full Biomarkers +

FDX Inspect

FDX 02

£279.00

View ▸
Full Biomarkers +

FDX Ultra

FDX 03

£330.00

View ▸
Full Biomarkers +

Thyroid hormones

FDX 10

£33.00

View ▸
Full Biomarkers +

Thyroid Inspect

FDX 15

£290.00

View ▸
Full Biomarkers +

Femme Inspect

FDX 18

£355.00

View ▸
Full Biomarkers +

Man Inspect

FDX 19

£355.00

View ▸
Full Biomarkers +

Cardio Check

FDX 21

£659.00

View ▸
Full Biomarkers +

Thyroid Ultra

FDX 22

£575.00

View ▸
Full Biomarkers +

Thyroid Check

FDX 23

£199.00

View ▸
Full Biomarkers +

Thyroid Check +

FDX 24

£289.00

View ▸
Full Biomarkers +

Femme Ultra

FDX 25

£535.00

View ▸
Full Biomarkers +

Femme Reset

FDX 26

£525.00

View ▸
Full Biomarkers +

Man Reset

FDX 27

£535.00

View ▸
Full Biomarkers +

Man Ultra

FDX 28

£545.00

View ▸
Full Biomarkers +

Weight Aware

FDX 29

£595.00

View ▸
Full Biomarkers +

Workout

FDX 30

£485.00

View ▸
Full Biomarkers +

Workplace

FDX 31

£399.00

View ▸
Full Biomarkers +

Femme Fertility

FDX 32

£685.00

View ▸
Full Biomarkers +

Fertility For Men

FDX 33

£615.00

View ▸
Full Biomarkers +

Brain Check

FDX 34

£525.00

View ▸
Full Biomarkers +
FDX Index Box

Index Thyroid

FDX 307

£54.00

View ▸
Full Biomarkers +

Professional test kit instructions

Patient Test Info Sheet

Example Snapshot Report

The FDX Method

Find a Blood Draw

Additional Resources

Blog

Education

Practitioner 
Resources