Guides

Longer answers to the questions people ask about longevity and cures. Each guide is built from the graded entries on the radar and links to them.

• Do longevity supplements work? What the evidence showsNMN and other NAD+ boosters, urolithin A, taurine and hydrogen water, each graded by the human evidence behind it. None has outcome data yet.
• Biological age tests and aging clocks: what a lower number meansAging clocks, epigenetic age and telomere length are surrogate markers. What a younger result can and cannot tell you, with examples from the radar.
• Anti-aging drugs in 2026: which have been tested in peopleRapamycin, acarbose, senolytics, rentosertib and reprogramming therapies, sorted by how far each has got in human testing and what the trials measured.