What Is Longevity? A Plain-English UK Guide
Lifespan, healthspan and the Hallmarks of Ageing — the concepts every UK reader should understand.
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Age slower. Live longer.
Independent summaries of the latest longevity science, plus honest supplement guides for UK adults. No miracle cures — just evidence, caveats and tortoise-paced progress.
Read the Research Supplement GuidesWhat is LongevityTortoise?
We translate peer-reviewed longevity research into plain English for UK readers. The site covers human trials, animal studies, biomarkers of ageing and the science behind popular anti-ageing supplements. Every article links back to the original papers and flags where the evidence is still early.
Latest from the Lab
NAD+ Precursors Compared: NR vs NMN for Longevity (UK)
Side-by-side comparison of bioavailability, trials, safety and buying advice.
Read Article →Resveratrol vs Pterostilbene: Evidence, Dosing & UK Availability 2026
Two plant stilbenes with very different evidence bases.
Read Article →Omega-3 and Longevity: DHA, EPA, Inflammation and Heart Health (UK)
What REDUCE-IT, STRENGTH and large meta-analyses say about fish oil and ageing.
Read Article →Popular Research Topics
🧬 NAD+ Metabolism
How NAD+ declines with age, what precursors like NMN and NR do, and whether restoring levels affects human ageing.
🍇 Polyphenols
Resveratrol, quercetin, fisetin and other plant compounds being studied for sirtuin activation and senolytic effects.
🧹 Senolytics
Drugs and supplements that selectively clear senescent cells: current evidence, risks and open questions. Read our guide to quercetin and fisetin.
📊 Biomarkers of Ageing
Epigenetic clocks, blood-based biomarkers and how researchers measure whether an intervention really slows ageing. Start with what is longevity?
🌾 Autophagy
Cellular recycling and compounds like spermidine and rapamycin that may influence it.
🐟 Fatty Acids & Vitamins
Omega-3s, vitamin D3 + K2, magnesium and other micronutrients with ageing relevance.