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Yet again – vitamin D levels very low in sunny Saudia Arabia – April 2011

10 ng averge for 87 men and 52 women who were 30 years old

They claimed that 68% of the people tested were getting enough vitamin D from the sun

80 minutes a week of sun on forearms and legs from 9AM to noon

80 minutes per week for people with skin color of 3 (range of 1 = white to 7 = black) at latitude = 30 degrees North
would be about 1100 IU daily

The body consumes 2300 IU of vitamin D daily

1100 IU would not be enough vitamin D to replentish the 2300 IU consumed daily
It is doubtful that the people actually got that much sunshine with air conditioning cutting down on the time they would actually spend in the sun
Also: urban haze reduces the amount of vitamin D actually getting to the ground.

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Yet again – vitamin D levels very low in sunny Saudia Arabia – April 2011

3601 visitors, last modified 04 Mar, 2015,

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