GradedWe grade the evidence
The longevity field, scored on a fixed rubric.
Longevity Graded reads the primary research and grades every longevity and anti-aging telehealth provider on price transparency, clinical oversight, and evidence. We may earn a commission from some links — hype still gets a failing grade.
Top of the scorecard · Grade A
CoreAge Rx
Doctor-reviewed longevity peptides and NAD+ with one published per-protocol price and built-in human support.
Advertising disclosure. We may earn a commission if you start through this link, at no extra cost to you. Affiliate partners are listed first on the scorecard — judge them on the marks. See our disclosure.
Graded evidence
What the evidence actually earns
- Graded review
Longevity Doctor: What They Do, What They Cost, How to Vet One
A longevity doctor blends preventive medicine, biomarker testing, and lifestyle coaching. What they really do, credentials to check, and who needs one.
Read - Graded review
Best Longevity Supplements, Rated by Evidence (2026)
We grade the popular longevity supplements — NMN, NR, spermidine, resveratrol, CoQ10, omega-3, vitamin D, fisetin, GlyNAC — on human evidence, not hype.
Read - Graded review
Best Biological Age Test (2026): At-Home Kits, Honestly Graded
Blood-methylation clocks are the only defensible at-home bio-age tier; saliva and telomere kits are noisier. None proves you're aging slower. Honestly graded.
Read - Graded review
How Much Does a Longevity Clinic Cost?
Longevity care runs from ~$200/yr lab memberships to $20k+ concierge programs. A 2026 price-band guide to what each tier buys — and what's worth paying for.
Read - Graded review
Best Epigenetic Clock: GrimAge vs PhenoAge vs DunedinPACE
GrimAge predicts mortality, PhenoAge predicts disease, DunedinPACE measures pace of aging. No clock is validated to guide your treatment. An honest comparison.
Read - Graded review
NAD+ for Longevity: What the Trials Actually Show
NR and NMN reliably raise NAD+ in humans, but the trials mostly fail to show clinical or longevity outcomes. An honest review of the hype versus the data.
Read
Well-supported
Backed by controlled trials or hard clinical outcomes — earns our top grades.
Mixed or emerging
Promising signals but incomplete evidence; graded honestly, caveats and all.
Thin or contested
Marketing outrunning the data. We say so plainly — and grade it accordingly.
Read the full rubric in our grading methodology, and how we stay independent on our about page.