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Weekly · Sunday Morning

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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

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A Vitamin D Pill Vs. Real Sun — Whalespan

Content›Video›A Vitamin D Pill Vs. Real Su…

A Vitamin D Pill Vs. Real Sun

Paul Saladino4m · 2020-06-14

Claims Made

12

Claims Supported

8

Support Rate

67%

Support rate

8 of 12 claims supported

8 supported4 partial / not

Claims from this content

10

✓Well SupportedSunlight provides benefits beyond vitamin D production, such as endorphins and nitric oxide.✓Well SupportedTo increase vitamin D levels, consider moving to a sunny location, taking frequent vacations, and supplementing with vitamin D3 in winter if necessary.✓Well SupportedWhen supplementing with vitamin D, it is advisable to use vitamin D3 and avoid synthetic ergocalciferol (D2), and not to overdose.◐Partially SupportedSunshine is the best source of vitamin D, followed by food, and supplementation raises vitamin D levels but does not significantly improve outcomes in most situations.Not 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.

✕

Relying solely on vitamin D pills to achieve benefits seen in epidemiological trials provides a false sense of security.

✕Not SupportedSupplemental vitamin D has failed to show benefit in many disease models.

◐Partially SupportedVitamin D produced in the skin is water-soluble cholecalciferol sulfate, while vitamin D from pills is fat-soluble cholecalciferol.

◐Partially SupportedIndividuals with the highest levels of vitamin D have the lowest risk of cancer, heart disease, and dementia.

◐Partially SupportedVitamin D must be converted to vitamin D sulfate in the body to become its most effective form.

◐Partially SupportedReal sun exposure may be superior to vitamin D supplementation due to unique sun benefits or associated healthy behaviors.