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

FDX 00
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 32
Full Biomarkers +
FDX 33
Full Biomarkers +
FDX 34
Full Biomarkers +
FDX 37
FDX 75

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The FDX Method

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