Cystatin C

in Serum
Also known as:
S-cystatin-C
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Optimal Cystatin C reference ranges for longevity

Cystatin C is a better marker of kidney function than creatinine, since it is not affected by muscle mass. It is also a top predictor of biological age.
  • According to Peter Attia, Cystatin C should be below 1 mg/L

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Images:

Cystatin-C increases during aging

Cystatin-C increases during aging

Participants with and without clinical risk factors for kidney disease. (diabetes, hypertension, obesity, smoking, coronary heart disease, ...)
High Cystatin C was associated with substantial rise in all-cause mortality.

High Cystatin C was associated with substantial rise in all-cause mortality.

About the site author

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

Zsolt Szabo
Zsolt Szabo
Software Engineer, Biohacker, and Consultant for Longevity Clinics.

Please send me studies and feedback.

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I am particularly interested in research on biomarkers linked to all-cause mortality or optimal reference ranges.