Journal
Science
Longevity
NAD+
Supplements
Geroscience
Nutrition
Exercise
Sleep
Biotechnology
Medicine of the future
Promising
Level B · moderate human evidence
Geroscience studies why we age. It separates what is proven, what is promising, and what is experimental, without promising that aging can already be stopped.
2026-10-05 · 2 sources
Established
Level B · moderate human evidence
Lifespan is how long a life lasts. Healthspan is how long it is lived with autonomy. Contemporary geroscience is more interested in the second.
2026-10-05 · 1 sources
Early research
Level C · preliminary human evidence
NAD+ is a central molecule of metabolism. A precursor raising it in blood does not demonstrate a clinical longevity benefit.
2026-10-05 · 2 sources