Optimize Your Healthspan with Confidence

Independent reviews, biomarker guides, and decision frameworks — so you test smarter, not more.

Optimize Your Longevity

Evidence-based guides on the four pillars that matter most — sleep, exercise, nutrition, and mental wellbeing. Actionable strategies to move the needle on your healthspan.

Explore optimization guides

Decision Guides

Not sure where to start? These guides help you choose the right tests based on your health goals.

Know Your Biomarkers

Hover over any biomarker to learn what it measures, optimal ranges, and why it matters.

Top Longevity Tests

Independently reviewed and scored. Find the right test for your goals.

Function Health

Function Health

9.1

The most comprehensive consumer blood panel available — 110+ biomarkers including advanced cardiovascular, hormonal, and metabolic markers for a fraction of what clinics charge.

110 biomarkers$499Lab draw

InsideTracker

InsideTracker Ultimate

8.7

The most actionable blood testing platform — fewer markers than Function Health, but unmatched personalized recommendations powered by AI and peer-reviewed research.

48 biomarkers$589Lab draw

TruDiagnostic

TruAge Complete

8.4

The gold standard in epigenetic biological age testing — measures how fast you are actually aging at the DNA methylation level using multiple validated aging clocks.

1 biomarkers$499At-home kit

Prenuvo

Prenuvo Full Body MRI

8.8

The leading consumer whole-body MRI screening — radiation-free imaging of brain, chest, abdomen, and pelvis to detect cancers, aneurysms, and organ abnormalities years before symptoms.

0 biomarkers$2499Whole-body MRI

Cleerly

Cleerly Heart Scan

9

AI-powered coronary CT angiography that quantifies and characterizes arterial plaque — detecting soft, vulnerable plaque invisible to standard calcium scoring.

0 biomarkers$500AI-enhanced CT Angiography

GRAIL

GRAIL Galleri Test

8.2

Multi-cancer early detection blood test that screens for over 50 cancer types by analyzing cell-free DNA fragments shed by tumors — including cancers with no standard screening test.

0 biomarkers$949Blood draw (liquid biopsy)

New Amsterdam Genomics

New Amsterdam Genomics Whole Exome Sequencing

8.5

Clinical-grade whole exome sequencing that analyzes all 20,000+ protein-coding genes — providing comprehensive genetic insights for disease risk, carrier status, and pharmacogenomics.

0 biomarkers$349At-home kit (saliva/cheek swab)

Natera

Natera Hereditary Cancer Screening

8.6

Clinical-grade hereditary cancer genetic testing that screens for mutations in genes like BRCA1, BRCA2, and dozens of other cancer predisposition genes — the same tests ordered by oncologists.

0 biomarkers$250Blood draw or saliva

Wearable Device Reviews

From fitness watches and smart rings to continuous glucose monitors — the best wearables for tracking what matters for longevity.