sunscreen
Concept
Anything that blocks UVB radiation, including sunscreen, hinders the skin's ability to produce Vitamin D3.
Mentioned in 3 videos
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Videos Mentioning sunscreen

This Supplement Could Cut Your Dementia Risk By 40%
FoundMyFitness
Anything that blocks UVB radiation, including sunscreen, hinders the skin's ability to produce Vitamin D3.

A typical Blueprint morning / Nov 2021
Bryan Johnson

Using Light (Sunlight, Blue Light & Red Light) to Optimize Health
Andrew Huberman
Mentioned as a product with UV protection that would block some beneficial effects of UVB, although its use for skin cancer prevention is acknowledged as important.