Validated upper-arm BP cuff
$50-130The most useful cheap device in the house. Measure the same way repeatedly and bring the device to a clinician visit once.
Buying guide · Protocol / labs / first spend
The Baseline Month: what to measure before buying more longevity gear
Most longevity purchases happen in the wrong order. The Baseline Month fixes the sequence: measure the silent risks, name the weakest pillar, then decide whether equipment belongs in the plan.
Answer-first
Before buying expensive longevity gear, get a baseline: home blood pressure, ApoB or particle risk, Lp(a) once, HbA1c/glucose, body composition, grip or strength benchmark, VO2/cardio proxy, sleep regularity and a clear 7-day next move.
Agewell verdict
Start here. The cheapest useful purchase is often the measurement that tells you what not to buy.
The shortlist
Smart scale
$30-400Useful for weight trend and adherence. Not a DEXA replacement.
Agewell Readiness Check
freeNames the weak pillar and gives a 7-day plan before you buy more gear.
Week 1: silent clinical risks
Measure home blood pressure calmly on multiple days. Ask your clinician whether ApoB or LDL particle number belongs in your next panel, and measure Lp(a) at least once in adulthood. Add HbA1c or glucose context when metabolic risk is unclear.
This is not a self-treatment plan. It is a visibility plan. Medication, symptoms and abnormal results belong with a clinician.
Week 2: body and capacity
Choose a body-composition anchor: DEXA if the number matters, smart scale if trend is enough. Add a grip dynamometer or strength benchmark and one cardio measure: lab VO2 max if available, field test if not.
The purpose is not to collect trophies. It is to see whether the next lever is strength, engine, fat loss, blood pressure, lipids, glucose or sleep.
Week 3: behavior data
Use a tracker only if it changes one behavior: bedtime, alcohol, steps, Zone 2, training restraint or recovery days. Oura, WHOOP, Garmin, Apple Watch and Fitbit can all work if the job is defined.
If the device creates anxiety and no decision, stop paying for the dashboard.
Week 4: one next move
Run the Readiness Check, name the weakest pillar and choose one 7-day intervention. Then decide whether any equipment purchase directly supports that intervention.
A red light panel, sauna, weighted vest or compression boots is easier to evaluate when it has a job. Without a job, it is decoration.
FAQ
What should I measure first for longevity?
Start with blood pressure, ApoB or particle risk, Lp(a) once, HbA1c/glucose, body composition, strength or grip, cardio fitness and sleep regularity.
Do I need a full-body scan for a baseline?
Not automatically. Full-body scans can be useful for selected buyers with follow-up ownership, but most people should start with cheaper, actionable measures.
What should I buy before a tracker?
A validated upper-arm blood-pressure cuff is often the better first device. A tracker comes next if it changes behavior.
What we read
- American Heart AssociationLife’s Essential 8: activity, nicotine, sleep, weight, cholesterol, glucose and blood pressure ->
- AHA physical activity recommendations150 minutes/week aerobic activity and 2+ strength days ->
- AHA newsroom2026 lipid guidance: measure Lp(a) at least once in adulthood ->
- JAMA Network OpenCardiorespiratory fitness is inversely associated with long-term mortality ->
Next
By David Persson · Updated 2026-06-12 · Corrections: hi@agewell.guide