HoloTC

in Serum

Also known as:

Holotranscobalamin - Active vitamin B12

S-holoTC

Active-B12

Holotranscobalamin

pmol/L

Enter value to interpret your result

Optimal HoloTC reference ranges for longevity

According to OptimalDX, HoloTC should be between 54 and 188 pmol/L

This page is marked as a work-in-progress.

Expect updates and a redesign soon.

About the site author
My personal mission is to extend human lifespan by collectively adding 1 million years to people's lives.
Zsolt Szabo
Software Engineer, Biohacker, and Consultant for Longevity Clinics.

Please send me relevant research and feedback.

Any feedback is welcome at .

I am particularly interested in research on biomarkers associated with all-cause mortality and on defining optimal reference ranges.