GlycanAge

blood-based method · published 2014 · measured from blood (plasma/serum IgG glycan analysis)

blood-based commercial Output: GlycanAge score

Facts

Method type	blood-based
Published	2014
Sample type	blood (plasma/serum IgG glycan analysis)
Output	GlycanAge score
Validated population	TwinsUK and CROATIA-Korcula cohorts (original study); commercial GlycanAge test population undisclosed
Open or commercial	commercial
Formula publicly available	No

Required inputs

IgG N-glycosylation profile (blood)

Original publication

Kristic J, Vuckovic F, Menni C, et al. Glycans are a novel biomarker of chronological and biological ages. J Gerontol A Biol Sci Med Sci. 2014;69(7):779-789.
DOI: 10.1093/gerona/glt190 · PMID: 24325898

Limitations

The commercial GlycanAge product's exact scoring algorithm is proprietary and not published in full.
Requires specialized glycomics lab analysis, not available through routine blood panels.