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Use the evidence. Compare the tradeoffs. Make the next decision better.
These tools are built for the questions Alive readers are already asking: whether a supplement experiment is defensible, which wearable fits the job, what belongs in a lab discussion, and what TRT actually costs.
A mechanism is not a reason to buy
Supplement Decision Scorecard
Pressure-test the evidence, target, measurement plan, safety review, and stop rule before another bottle enters the stack.
Buy for the decision, not the dashboard
Longevity Wearable Fit Finder
Compare ring-first recovery, training-load, smartwatch, and long-battery approaches without pretending one device wins for everyone.
More testing is not automatically better
Longevity Lab Discussion Builder
Create a concise core-and-conditional checklist around cardiometabolic risk, testosterone evaluation, fatigue, or performance.
The advertised monthly price is incomplete
TRT Cost Calculator
Model setup, membership, medication, supplies, labs, follow-ups, and five-year cost across two care options.
One research model, not a verdict
PhenoAge Biological Age Calculator
Run the published Levine 2018 equation over nine routine markers from a single blood panel, with the method and its limits stated plainly.
Free weekly sample · no signup
Turn one intention into a week you can repeat.
Choose a routine you already consider appropriate for yourself. Copy this template into your notes. It sets no clinical targets and submits no information.
- Write one intention for the week.
- Choose the smallest action and a time you can realistically use.
- Each day, note what happened without trying to change everything at once.
- At the end of the week, choose what to keep or simplify.
Monday
Small action: ______ · Time available: ______
What happened: ______
Tuesday
Small action: ______ · Time available: ______
What happened: ______
Wednesday
Small action: ______ · Time available: ______
What happened: ______
Thursday
Small action: ______ · Time available: ______
What happened: ______
Friday
Small action: ______ · Time available: ______
What happened: ______
Saturday
Small action: ______ · Time available: ______
What happened: ______
Sunday
Small action: ______ · Time available: ______
What happened: ______
End-of-week review: What will I keep or simplify? ______
The Longevity Blueprint
The full protocol manual behind this site: exercise, nutrition, sleep, advanced interventions, and a 90-day biomarker dashboard, with the evidence graded honestly.
Tools do not replace the hierarchy
Start with the minimum-effective protocol.
A calculator can clarify one decision. It cannot make sleep, strength, aerobic capacity, nutrition, preventive care, or clinical judgment optional.