Measure what matters. Optimize on data.
Every PrimalPrime tool is built on peer-reviewed research and validated scoring methodologies — used in longevity medicine and elite performance science. Free. No credit card. Built for men who don't guess.
Biological age calculator
Calculate your true biological age from biomarkers, fitness markers, and lifestyle.
Open tool →Testosterone optimization score
Assess your hormone optimization baseline in 3 minutes — symptoms, lifestyle, biomarkers.
Open tool →Sleep quality analyzer
Diagnose your sleep architecture, recovery patterns, and the top three sleep limiters.
Open tool →HRV optimizer
Personalized HRV training and recovery protocol built around your wearable data.
Notify meVO2 max estimator
Estimate cardiovascular fitness without a lab — predicts longevity better than any other marker.
Notify meRecovery protocol generator
Get a personalized recovery stack based on your training load, sleep, and HRV.
Notify meStress load calculator
Quantify allostatic load across training, work, and lifestyle stressors.
Notify meMetabolic health score
Score your metabolic health from glucose, insulin sensitivity, and body composition.
Notify meWeekly performance intelligence.
New studies, protocols, and optimization frameworks delivered every Monday. No fluff, no motivation quotes — only what moves the needle.