Lifespan
How long we live.
Science · Longevity · Healthspan
Don't Die Now
Live longer.
Live better.
Stay curious.
Do not wait until you are older to think about how you want to age. This is where the science of longevity, healthspan, and the technologies changing how aging is understood gets explored.
Healthspan
What healthspan is
Healthspan
How long we live healthy, active, and independent.
Contemporary geroscience is increasingly focused on improving healthspan, not on promising a longer life at any cost. Understanding aging is not the same as claiming it can already be stopped.
Article
Don't Die Now. The new science of living longer, and of living better.
Promising Level B · moderate human evidence
Don't Die Now: the new science of living longer, and of living better
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
Established Level B · moderate human evidence
Lifespan and healthspan are not the same question
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
Early research Level C · preliminary human evidence
NAD+: what science knows and what it still does not
NAD+ is a central molecule of metabolism. A precursor raising it in blood does not demonstrate a clinical longevity benefit.
2026-10-05
What NAD+ is
Nicotinamide adenine dinucleotide
NAD+ takes part in cellular energy, redox reactions, mitochondrial biology, and signals inside the cell. The pathway, simplified, reads like this:
Vitamin B3 and precursors
NR / NMN
NAD+
Cellular processes
What science knows
The biochemistry is described. NR and NMN can change NAD-related biomarkers in humans.
What we still do not know
It has not been shown that this produces a clinical anti-aging or longevity benefit. That part is still under investigation.
Map
Healthspan at the center
HEALTHSPAN
Cellular energy
Cells produce and spend energy all day. NAD+ takes part in that accounting. Measuring a metabolite is not the same as changing the course of aging.
Longevity Explorer
Compounds, not a sales catalog
Each entry separates mechanism, human evidence, and research status. None is labeled on its own as “extends life”.
Promising Level C · preliminary human evidence
NAD+
Cellular energy
Promising Level C · preliminary human evidence
NR
NAD+ precursor
Early research Level C · preliminary human evidence
NMN
NAD+ precursor
Early research Level C · preliminary human evidence
Resveratrol
Polyphenols
Promising Level B · moderate human evidence
CoQ10
Mitochondria
Established Level A · strong human evidence
Omega-3
Nutrition
Future
Technologies that are still being measured
Experimental
Biological age
It tries to summarize the state of tissues better than calendar age. It remains an estimate.
Experimental
Epigenetic clocks
Statistical models of DNA methylation. Useful in research. They are not a clinical verdict.
Experimental
Multi-omics
Crossing genes, proteins, and metabolites to see patterns. It is a data platform, not a treatment.
After the evidence
Biological functions, not a shelf
If a product appears later, the order is science, evidence, education, and only then an option. Today these categories name neither a brand nor a bottle.
Cellular energy
Mitochondrial support
Healthy aging
Metabolic health
Sleep and recovery
Foundational nutrition