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Sun and UV


Sun and Vitamin D 312 items

No – 10 minutes per day of sun-UVB is NOT enough
WRONG most of the time

  • 5-10 minutes provides only 1,000 IU ONLY IF you are near the equator
  • AND young
  •  AND not obese
  •   AND have light skin
  •    AND it is summer
  •     AND it is the middle of the day
  •      AND you have lots of skin exposed to the sun
  •       AND you are lying down
  •        AND you are not wearing sunscreen
  •         AND you have a healthy Liver
  •          AND no clouds and nor air pollution
  •           AND you have good response to sunshine (4X variation between individuals)

Sun - how to maximize 14 ways to maximize the sun (as of Aug 2015)
Sun - not just vitamin D
Noon is not “high noon” in various places around the world

UV 361 items    Overview

uv window glass.jpg
UV Calculators    UV bulb
D from low-cost UVB lamps
Overview Skin and vitamin D

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