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Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

5 audits·1 verdict change·0 affiliate links·Every Sunday

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Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

AG1 Failed. Here's Why. — Whalespan

Content›Video›AG1 Failed. Here's Why.…

AG1 Failed. Here's Why.

Bryan Johnson7m · 2024-09-05

Claims Made

12

Claims Supported

5

Support Rate

42%

Support rate

5 of 12 claims supported

5 supported7 partial / not

Claims from this content

8

✓Well SupportedBryan Johnson's body is acclimated to consuming the entire Blueprint Stack in one sitting without side effects, including good sleep.✕Not SupportedAG1 uses 'pixie dusting' by listing familiar ingredients but providing them in doses lower than those shown to be effective in clinical trials.✕Not SupportedAG1 is a disaster within the supplement market.✕Not SupportedThe bulk of AG1's 12g scoop consists of cheap greens and emulsifiers, with high-value ingredients included only in trace amounts to reduce costs.✓Well Supported

More from Bryan Johnson

Bryan Johnson's Blueprint Rapamycin Protocol

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AV

A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

NP

N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

The Blueprint stack consolidates supplements into fewer pills, is third-party tested with publicly shared Certificates of Analysis, and uses evidence-based dosing.

✓Well SupportedEvery supplement Bryan Johnson takes is included only after rigorous internal measurement and assessment to ensure it performs as intended.

◐Partially SupportedThe cost of materials for AG1 is approximately $10, while Blueprint's cost to manufacture and ship is around $30.

◐Partially SupportedOf the ingredients in AG1, 49 do not have a disclosed dose.