Aging ClocksMarker Atlas
Biological age clocks measure how fast you're aging at the cellular level. Unlike chronological age, biological age responds to lifestyle, making clocks a long-horizon scoreboard for longevity protocols.
Use this lane to track the trajectory of biological age over time — and to humble the expectations of any single intervention.
A clinical lens on aging clocks
Biological-age clocks are the closest thing to a longevity scoreboard — directional, imperfect, but worth watching across years.
No clock is precise. Every clock is useful when you trend it on the same person across time.
Run it cleanly
- Stick to one clock for serial trending
- Run baseline before any major lifestyle shift
- Note acute illness or extreme training before draw
- Plan annual or semi-annual cadence
Common stacks
Key markers
0 markers
Searchable directory of every published biomarker in this category — sortable, with optimal and conventional ranges.
Best for
- Long-term benchmarking
- Intervention bracketing
- Outlier-responder analysis
- Cross-clock validation
Pairs with
- Cardiovascular panel
- Metabolic markers
- Inflammation panel
- Lifestyle and training data
Decision factors
- Clock provenance
- Sampling consistency
- Trend direction
- Cost vs cadence
What this connects to
No matched interventions yet.
No matched supplements yet.
No recent papers matched.
Latest research in this category
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Assessment
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All biomarkers
Database index- 8-OHdG (8-Hydroxy-2-deoxyguanosine)
- 9p21 (CVD Risk)
- Akkermansia muciniphila
- Albumin
- Alkaline Phosphatase (ALP)
- ALT (Alanine Aminotransferase)
- Anti-Müllerian Hormone (AMH)
- ApoB Genetic Score (PRS)
- ApoB/ApoA-I Ratio
- APOE Genotype
- Apolipoprotein A-I (ApoA-I)
- Apolipoprotein B (ApoB)
- AST (Aspartate Aminotransferase)
- Aβ42/40 Ratio (Plasma)
- Basophils (Absolute)
- BDNF (Brain-Derived Neurotrophic Factor)
- Beta-Glucuronidase (Stool)
- Bile Acid Diversity
- Blood Pressure (Systolic/Diastolic)
- Blood Urea Nitrogen (BUN)
- BNP / NT-proBNP
- BRCA1/BRCA2
- C-Peptide
- Calcium (Total)
- Calprotectin (Fecal)
- Cardiovascular Biomarkers
- Chloride
- CIMT (Carotid Intima-Media Thickness)
- CO2 (Bicarbonate)
- COMT (Val158Met)
- Coronary Artery Calcium Score (CAC)
- Cortisol (AM)
- Creatinine
- CYP1A2
- Cystatin C
- D-Dimer
- DHEA-S (Dehydroepiandrosterone Sulfate)
- Dihydrotestosterone (DHT)
- DunedinPACE
- Eosinophils (Absolute)
- ESR (Erythrocyte Sedimentation Rate)
- Estimated GFR (eGFR)
- Estradiol (E2)
- F2-Isoprostanes
- Factor V Leiden
- Faecalibacterium prausnitzii
- Ferritin
- FIB-4 Index (Fibrosis-4)
- Fibrinogen
- Folate (Serum & RBC)
- Free T3 (Triiodothyronine)
- Free T4 (Thyroxine)
- Free Testosterone
- Fructosamine
- FSH (Follicle-Stimulating Hormone)
- FTO
- GDF-15 (Growth Differentiation Factor 15)
- Genetic Biomarkers
- GFAP (Glial Fibrillary Acidic Protein)
- GGT (Gamma-Glutamyl Transferase)
- Glucose (Fasting)
- GlycA (Glycoprotein Acetylation)
- GrimAge (v1 & v2)
- H. pylori
- HbA1c (Glycated Hemoglobin)
- HDL Cholesterol
- Hematocrit
- Hemoglobin
- HFE (C282Y, H63D)
- High-Sensitivity Troponin (hs-TnI)
- HLA-B27
- HOMA-IR (Insulin Resistance Index)
- Homocysteine
- Hormonal Biomarkers
- Horvath Clock (Pan-Tissue)
- hs-CRP (High-Sensitivity C-Reactive Protein)
- IGF-1 (Insulin-like Growth Factor 1)
- IL-6 (Interleukin-6)
- Inflammatory Biomarkers
- Insulin (Fasting)
- Iron Saturation (Transferrin Saturation)
- LDH (Lactate Dehydrogenase)
- LDL Cholesterol
- LDL Particle Number (LDL-P)
- LH (Luteinizing Hormone)
- Lipoprotein(a) [Lp(a)]
- Lp-PLA2 (PLAC Test)
- LPS (Lipopolysaccharide)
- Lymphocytes (Absolute)
- Magnesium, RBC (Red Blood Cell Magnesium)
- Mean Corpuscular Volume (MCV)
- Mean Platelet Volume (MPV)
- Metabolic Biomarkers
- Microbiome Diversity (Shannon Index)
- Monocytes (Absolute)
- MTHFR (C677T, A1298C)
- Myeloperoxidase (MPO)
- Neutrophil-to-Lymphocyte Ratio (NLR)
- Neutrophils (Absolute)
- NfL (Neurofilament Light Chain)
- Non-HDL Cholesterol
- Nutrient Biomarkers
- Omega-3 Index (RBC EPA+DHA)
- Organ Function Biomarkers
- Oxidized LDL (Ox-LDL)
- p-Tau 181 / 217 (Plasma)
- Pancreatic Elastase-1
- Parathyroid Hormone (PTH)
- PhenoAge
- Platelet Count
- Potassium
- Pregnenolone
- Progesterone
- Prolactin
- Quinolinic Acid / Kynurenine Ratio
- Red Blood Cell Count (RBC)
- Red Cell Distribution Width (RDW)
- Remnant Cholesterol
- Reticulocyte Count
- S100B
- Secretory IgA (sIgA)
- Serum Iron
- SHBG (Sex Hormone-Binding Globulin)
- Short-Chain Fatty Acids (SCFA)
- SIBO Breath Test (Hydrogen/Methane)
- Small Dense LDL (sdLDL)
- Sodium
- Stool Bile Acids (Total)
- Stool pH
- SystemAge (Generation Lab)
- Telomere Length
- TG/HDL Ratio
- Thyroglobulin Antibodies (TgAb)
- TIBC (Total Iron-Binding Capacity)
- TNF-alpha (Tumor Necrosis Factor)
- Total Bilirubin
- Total Cholesterol
- Total Protein
- Total Testosterone
- TPO Antibodies (Thyroid Peroxidase)
- Triglycerides
- TruAge (TruDiagnostic)
- TSH (Thyroid-Stimulating Hormone)
- Uric Acid
- Urine Albumin-to-Creatinine Ratio (UACR)
- VDR (Vitamin D Receptor)
- Vitamin B12 (Cobalamin)
- Vitamin D (25-OH)
- White Blood Cell Count (WBC)
- Zonulin
Sample member
Longevity Operator
One number for your longevity journey.
FICO for credit. PHS for longevity. Eight biological domains collapsed into one provable score — intuitive at a glance, rigorous underneath.
- Metabolic
- Hormonal
- Cardiovascular
- Brain / Cognitive
- Sleep
- Musculoskeletal
- Gut
- Immunity / Inflammation