Start with high-confidence aging & longevity books, then narrow by subgenre or adjacent topics.
The Longevity Paradox
Steven R. Gundry MD, Steven R. Gundry
Gut Check
The Longevity Diet
Valter Longo PhD, Valter Longo
Good Energy
Casey Means MD, Calley Means
Unbreakable
Vonda Wright MD, Vonda Wright
How Not to Age
Michael Greger M.D. FACLM, Michael Greger
Eat Your Ice Cream
Ezekiel J. Emanuel MD, Ezekiel J. Emanuel
Keep Your Wits About You
Vonetta M. Dotson PhD, Vonetta M. Dotson
Joyspan
Dr. Kerry Burnight Ph.D, Kerry Burnight
The Age-proof Brain
Marc Milstein
Forever Strong™
Gabrielle Lyon D.O., Gabrielle Lyon
The Well-lived Life
Gladys McGarey, Mark Hyman
Protocols
Andrew D. Huberman Ph.D., Andrew D. Huberman
Super Agers
Eric Topol
The Forever Strong™ PLAYBOOK
Mayo Clinic on Healthy Aging
Nathan K. LeBrasseur Ph.D., Christina Chen M.D.