50 ng of Vitamin D - 100 hours of noon sunbathing OR 3 dollars of Vit D

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Only 90 minutes of sun daily: if 7 factors are all good

Young, white skin, lying down, in bathing suit, hot summer sun, around noon, not overweight
   3X longer for each of the following: Obese, Elderly, Dark Skin
   2X longer if standing up and wearing long-sleeved shirt and pants

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Vitamin D Life – Noontime sun and D category contains

Noontime sun and D has 321 items

see also
No – 10 minutes per day of sun-UVB is NOT enough
Vitamin D Myths - SUN
Optimize vitamin D from the sun
Overview Suntan, melanoma and vitamin D
Overview UV and vitamin D
50 ng of Vitamin D - 100 hours of noon sunbathing OR 3 dollars of Vit D
3.3 X more likely to be Vitamin D deficient if wear long-sleeves – Oct 2022
Sun and UV
Avoiding the sun may be as bad as smoking - many studies
Vitamin D from the sun without the heat (silver-coated plexiglass)
Opinion: sun better than UV better than vitamin D
Avoiding the sun may be as bad as smoking - many studies
Fewer cognitive problems if more sun or Vitamin D
Which Is Worse - Avoiding Sunlight or Vitamin D Deficiency – April 2019
Have We Gotten Sunscreen Totally Wrong - Jan 2019
The Greatest Public Health Mistake of the 20th Century (sunscreen block Vitamin D) - 2017
Does Less Sun mean More Disease 5 minute video
340,000 US deaths annually due to insufficient sun (some due to low vitamin D) – July 2020
Health benefit of Sunlight is more than Vitamin D in the blood - many studies
5 Amazing Properties of Sunlight You've Never Heard About
Vitamin D and Sun conference – Germany June 2017

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Vitamin D Life – Is 50 ng of vitamin D too high, just right, or not enough