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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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This Food Will Revitalize Your Hair & Boost Growth — Whalespan

Content›Video›This Food Will Revitalize Yo…

This Food Will Revitalize Your Hair & Boost Growth

Paul Saladino6m · 2025-10-28

Claims Made

17

Claims Supported

14

Support Rate

82%

Support rate

14 of 17 claims supported

14 supported3 partial / not

Claims from this content

17

✓Well SupportedLineage offers a 'nose-to-tail' collagen supplement containing types I, II, and III collagen, derived from beef, trachea, and scapula cartilage.✓Well SupportedConsuming hydrolyzed collagen supplements or deriving it from foods like bone broth can improve collagen synthesis or skin appearance.◐Partially SupportedCollagen's amino acid profile is not ideal for muscle protein synthesis but is beneficial for skin and soft tissues.✕Not SupportedCollagen alone is not sufficient for muscle building protein intake because it lacks a full complement of amino acids compared to meat.Well Supported

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A. Volkovreader

4h

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

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N. Park

2d

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

✓

Collagen is primarily composed of glycine, proline, and hydroxyproline.

◐Partially SupportedBone broth and food sources of collagen provide amino acids for the body to produce its own collagen.

◐Partially SupportedCombining beef collagen with whey protein provides more raw materials for the body.

◐Partially SupportedLineage products include beef collagen and eggshell membrane, which contains elastin.

◐Partially SupportedCollagen is located in the dermis, the second layer of skin, and is secreted by fibroblasts.

◐Partially SupportedConsuming organ meats, collagen, and amino acids can promote hair growth.

✕Not SupportedMany women obtain insufficient protein intake primarily through collagen.

◐Partially SupportedGlycine may have calming effects and influence GABA receptors in the brain, affecting alertness.

◐Partially SupportedProtein from meat has a more complete complement of amino acids than collagen.

◐Partially SupportedPaul Saladino takes two to three scoops of beef collagen with electrolytes, vitamin C, and elderberry every morning before coffee.

◐Partially SupportedOrgan meats are a highly bioavailable source of zinc and copper, which are essential co-factors for collagen synthesis.

◐Partially SupportedCollagen contains precursors for collagen synthesis, signaling molecules, and peptides.

◐Partially SupportedVitamin C, zinc, copper, creatine, and silica are required for collagen synthesis.