Best Lab Test Memberships for Longevity Tracking Top Recommendation: Function Health ~$499/year for 100+ biomarkers tested twice annually Co-founded by longevity physician Peter Attia (though he's since stepped back) Covers hormones, metabolic markers, inflammation, organ function, and more Excellent dashboard with trend tracking over time Great value for the comprehensive panel included Strong Alternatives: Lifeforce (~$549+ for first draw) Physician-guided with personalized optimization plans Good for those wanting clinical support alongside results Inside Tracker Strong focus on actionable recommendations Links biomarkers to specific lifestyle interventions Good longitudinal tracking interface Marek Health Popular with the performance/optimization community Flexible panel customization Physician oversight available Quest Diagnostics / LabCorp Direct Build your own panels at lower cost Less guidance but maximum flexibility My Pick for Most People: Function Health It offers the best combination of comprehensiveness, value, and user experience specifically designed for longevity tracking rather than just basic diagnostics. Tip: Pair any service with a longevity-focused physician for interpretation of results.
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