Just "D" Facts about Vitamin D

Benefits of Moderate UV Sunshine Exposure

5-10 Minutes of Sun Exposure Equals What?

Posted by D3forU on August 16, 2010

“In general, 5 to 10 minutes a day between 10 a.m. and 3 p.m.

with minimal clothing is considered good.”

This advise works with qualifications. You can make ~2300 IU of Vitamin D IF:

42° N Latitude USA

A) 10 minutes Full Exposure Face Up (or Down) in bikini or boxers 45% exp.
B) You are Skin Type (ST) 2 with no previous sun exposure
C) Location is 42° N Lat Clear Skies August 13th +/- 2 days @ 12 Noon
D) Almost forgot. You are 20 years old.

ST 3’s can make ~1400 IU is same time frame. 17 min to 2300 IU
ST 4’s can make ~1000 IU is same time frame. 22 min to 2300 IU
ST 5’s can make ~600 IU is same time frame. 37 min to 2300 IU
ST 6’s can make ~400 IU is same time frame. 55 min to 2300 IU

Every 25% “Base Tan” reduces Vitamin D production 25%
Every 10 Years reduces Vitamin D production by 10%

Every Hour Before or After Noon reduces another 20%

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