The reading room

Guides

Plain-language explainers on how to read this field without being misled — written to be useful whether or not you ever buy anything, and cited to the primary literature.

• Best longevity supplements UK: what the evidence actually shows

  A claim-by-claim look at the supplements most often sold for longevity in the UK — what human trials have found, what rests on animal data, and what remains untested.

  9 min read · 5 sources

• How to read a longevity study

  A practical checklist for reading ageing research without being misled: subjects, endpoints, size, duration, replication and funding — with real examples.

  8 min read · 4 sources

• Why animal lifespan results do not prove human benefit

  Mice, worms and flies live longer on dozens of interventions that have never been shown to help humans. Here is why the translation fails so often — and what animal research is genuinely for.

  7 min read · 3 sources

• Lifespan and healthspan: the difference, and why it matters

  Living longer and living well are different research targets with different evidence. Understanding the distinction changes how you read every longevity claim.

  6 min read · 2 sources

• The hallmarks of ageing, explained

  The twelve hallmarks of ageing are the field's shared map of why we age. What they are, what they are not, and how supplement marketing misuses them.

  8 min read · 1 source

• What biological age tests can and cannot tell you

  Epigenetic clocks and blood-marker ages measure something real at the population level. What a personal result means is a much harder question.

  7 min read · 1 source

• Longevity blood tests and biomarkers: a grounded guide

  The blood markers that genuinely track with ageing and mortality risk, what each one means, and how to think about testing without being sold to.

  8 min read · 1 source

• The current state of human longevity trials

  What has actually been tested in people: the landmark trials that reported, the ones that failed, and the ones the field is waiting for.

  9 min read · 6 sources

• Peptides for longevity: what the evidence actually shows

  BPC-157, collagen, GHK-Cu, epithalon — the peptide boom graded honestly: which claims have human trials behind them, which are rodent-only, and what UK law says about the vials sold online.

  8 min read · 9 sources