Audit a URL →

Sign in Sign up free

Loading…

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

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

Browse

Decisions Claims Content Creators

Product

Audit a URL Sunday roundup API (soon)Pricing

About

FAQ Methodology Editorial Standards Corrections Press & brand RSS feed

Legal

Terms of Service Privacy Policy DMCA

Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

What drives muscle protein synthesis? — Whalespan

Content›Video›What drives muscle protein s…

What drives muscle protein synthesis?

Peter Attia2m · 2024-06-20

Claims Made

7

Claims Supported

7

Support Rate

100%

Support rate

7 of 7 claims supported

7 supported0 partial / not

Claims from this content

6

✓Well SupportedPlant-based protein is at least twice less bioavailable than animal protein.✓Well SupportedTo improve plant protein digestibility, one can cook it or consume sources higher in certain amino acids.◐Partially SupportedWhey protein has a higher quality amino acid composition compared to collagen, which is rich in glycine and proline.◐Partially SupportedMilk protein is composed of approximately 80% casein and 20% whey, with whey having a faster digestion profile than casein.Partially Supported

More from Peter Attia

Peter Attia on Zone 2 Cardio

Peter Attia on Rapamycin (with Matt Kaeberlein)

Attia walks back the clinic protocol: too aggressive for healthy adults

Discussion

Native comments, Twitter mentions, and Reddit threads about this content — surfaced together so the conversation isn't fragmented across platforms.

M

Share your read of this content…

Posting publicly as you · linked to your social profiles

Sort by:

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.

◐

Ground beef has a faster rate of digestion compared to steak, and whey protein digests faster than casein protein.

◐Partially SupportedNutrition, particularly protein intake, and exercise stimulate muscle protein synthesis.