Lab tools
Bloodwork calculators and planning tools
Educational tools for comparing lab ranges, planning self-pay bloodwork, and turning common biomarkers into clearer context.
Levine PhenoAge Clock
Estimate phenotypic biological age from age plus nine common blood markers.
Humanity Bortz Blood Clock
Explore a biomarker-heavy biological age model inspired by UK Biobank research.
Vitamin D Sunlight Estimator
Compare latitude, season, and skin tone with the value of checking 25-OH vitamin D.
Bloodwork Budget Builder
Pick a goal and monthly budget to get a practical self-pay lab shortlist.
Electrolyte and Sweat Lab Planner
Translate heavy sweating, heat, and training load into labs worth considering.
Mitochondrial Energy Scorecard
Map fatigue, brain fog, and exertion patterns to common lab categories.
Range Atlas
Compare reference ranges across labs, countries, and source types.