Total T4

Major thyroid hormone secreted by the thyroid gland and subject to appropriate levels of Biopterin, Vitamins B6, B2, A, B3 and C as well as sufficient Copper and Zinc. Total T4 represents over 99.5% of the total thyroid hormone available. Levels can help determine, thyroid status (hypo or hyper), Iodine sufficiency,

Available Tests

FDX 00
FDX 03
FDX 10
FDX 18
FDX 19
Full Biomarkers +
FDX 21
Full Biomarkers +
FDX 22
Full Biomarkers +
FDX 25
Full Biomarkers +
FDX 26
Full Biomarkers +
FDX 27
Full Biomarkers +
FDX 28
Full Biomarkers +
FDX 29
Full Biomarkers +
FDX 30
Full Biomarkers +
FDX 31
Full Biomarkers +
FDX 32
Full Biomarkers +
FDX 33
Full Biomarkers +
FDX 34
Full Biomarkers +

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The FDX Method

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