Originally Posted by Machka

Vitamin D and Sun Exposure

http://dietary-supplements.info.nih....s/vitamind.asp
"Ten to fifteen minutes of sun exposure at least two times per week to the face, arms, hands, or back without sunscreen is usually sufficient to provide adequate vitamin D [14]."

http://www.cbc.ca/news/background/he...-d-winter.html
"our bodies create vitamin D when exposed to UVB rays from the sun. Generally, doctors recommend that 10 to 15 minutes outdoors at least twice a week in summer without sunscreen is adequate."

"Dr. Holick advises, "Make sure the tanning salon bed puts out UVB. That’s done with medium-pressure lamps. High-pressure lamps only put out UVA, which will not make any vitamin D. With UVB rays, you won’t get a burn, you won’t even get much of a tan, but you’ll get lots of vitamin D.""

"You don't want to overdo it, because too much vitamin D in the body can cause vomiting, raise blood levels of calcium causing confusion, and cause heart rhythm abnormalities. Health Canada warns exceeding the recommended limit could lead to an overdose that can cause kidney stones as well as damage to the heart, lungs and blood vessels."

And also ...

"While some people favour taking cod liver oil, believing vitamin D is absorbed more easily that way, Dr. Holick says it’s a myth."


Just a few things to think about with regard to Vitamin D and winter.