The 12 Hallmarks
of Aging
First systematized by López-Otín et al. (2013, updated 2023), the hallmarks are the molecular and cellular mechanisms that cause organisms to age. Understanding them is the prerequisite for any rational anti-aging protocol.
12
Hallmarks mapped
López-Otín 2023 framework
150+
PMIDs indexed
Human trial evidence only in Tier A/B
9
Tier A/B compounds
With full dosing + synergy profiles
All 12 Hallmarks
The complete molecular map of aging.
Genomic Instability
When DNA repair can no longer keep pace with damage
TNiC coverage
Telomere Attrition
The molecular clock at chromosome ends
TNiC coverage
Epigenetic Alterations
When gene expression drifts from its youthful pattern
TNiC coverage
Loss of Proteostasis
When damaged proteins accumulate faster than cleanup
TNiC coverage
Disabled Autophagy
Cellular recycling slows — junk accumulates
TNiC coverage
Mitochondrial Dysfunction
The energy crisis that drives aging
TNiC coverage
Cellular Senescence
Zombie cells that poison their neighbors
TNiC coverage
Stem Cell Exhaustion
Regenerative capacity runs dry
TNiC coverage
Altered Intercellular Communication
When cells stop talking correctly
TNiC coverage
Chronic Inflammation
Inflammaging — the silent accelerator
TNiC coverage
Dysbiosis
When the microbiome turns against you
TNiC coverage
Disabled Macroautophagy
Nutrient sensing gone wrong
TNiC coverage
Scientific Foundation
The hallmarks framework was first published in Cell 2013 (PMID: 22768836) by López-Otín et al. and expanded to 12 hallmarks in the 2023 update (PMID: 36599349). TNiC maps interventions to this framework using Tier A/B/C evidence grading. The hallmarks are a descriptive framework, not a complete mechanistic theory — causality between hallmarks is bidirectional and context-dependent.
Target multiple hallmarks at once.
The Stack Architect shows hallmark coverage for every compound combination in real time — so you know exactly which aging mechanisms your protocol addresses.