Biological Age Engine · v2

How Old Are Your Cells?

4 steps. 5 domains. One score that matters more than your birthday. Get your biological age estimate and a personalized anti-aging protocol — calibrated to your actual metrics.

Metabolic markers

Inflammatory burden

NAD+ & hormonal vitality

Lifestyle optimization

ProfileMetabolicInflammationLifestyleResults

Step 1 of 4

Basic Profile

Your baseline

Used to calibrate your biological age delta.

Chronological Age

2090

Biological Sex

Weight

Height

BMI: 24.6

Scoring algorithm

Levine et al. 2018

Aging Cell — PhenoAge methodology

Domains scored

5 biomarker clusters

Metabolic · Inflammatory · Hormonal · Mito · Lifestyle

Data storage

Browser only

Nothing leaves your device

Continue

After your bio-age estimate.

Start

Start with NICO

Turn lifestyle signals into a starter stack.

Track

Log labs

Educational bio-age is not a panel — measure markers next.

Tools

Healthspan estimator

Project score changes from stack + lifestyle.

Decide

Open Stack Architect

Build the protocol you will retest against.

Start here

Newcomer path — questionnaire, library, then elite shortlist.

Start with NICONine questions → an adjustable, evidence-graded stack Explore the libraryEvery graded compound, by hallmark and tier Elite 8 rankingsDose-matched picks ranked by Longevity Quotient Learn hubGlossary, getting started, and safety red flags 12 HallmarksThe molecular map every rational protocol is built on My Longevity OSCommand center once you have a stack and labs

Decide & build

Turn evidence into a stack you can inspect.

Stack ArchitectPresets, synergy scoring, and shareable stack URLs Protocol libraryChoreographed stacks where each compound has a job Longevity toolsSimulator, protocol engine, forecasts — rule-based Start with NICOPersonalized starter stack from your answers Compound EngineScore evidence, effect, breadth, and safety Combination LabMarginal contribution and explainable stack scoring Elite 8 LQCompare interventions before you commit