Head-to-head comparisons
When two options both look good, use these evidence tables. Every card has a clear verdict, category, and links into deeper reviews.
Most searched
NMN vs NR
Which NAD+ precursor is better?
NMN and NR compared from human trials: NAD+ results, functional outcomes, cost at the trial dose, and NMN's current US regulatory status.
Verdict: No head-to-head trial; both raise blood NAD+, outcomes mixed
WearablesWHOOP vs Oura
Best longevity wearable?
Side by side: HRV accuracy, sleep staging, form factor, battery, and real subscription cost.
Verdict: Oura for sleep; WHOOP for recovery
RecoveryInfrared vs Traditional Sauna
Which heat therapy wins for longevity?
Mortality evidence, temperature, cost, EMF, and installation trade-offs for home heat practice.
Verdict: Traditional data; IR for home fit
How we decide winners
Verdicts weigh human evidence, safety, practicality, and cost. Not sponsor preference. When the evidence is close, we say so and route you to the deeper protocol or product guide.