Anti-TPO in Serum

Also known as:
Thyroid Peroxidase (TPO) Antibodies
S-TPOAb
aTPO
.

Anti-TPO ranges

Interpret your result
"Normal" lab range for Anti-TPO is between 0 and 34 IU/mL:
34
According to Peter Attia, Anti-TPO should be below 34 IU/mL:
34
Optimal range
Optimal range for Anti-TPO appears to be below 34 IU/mL:
0
34
200
Why this optimal range?
Using the normal range here, but closer to 0 is better.

About the site author

My personal mission is to extend human lifespan by collectively adding 1 million years to people's lives.

That’s why I made this site 100% free—no sign-up, no email. Just instant results.

Zsolt Szabo
Zsolt Szabo
Precision Health Consultant for Longevity Clinics, Biohacker, and Software Engineer

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.