Wednesday , June 23 2021

The researcher Unless manage vitamin D & # 39; Vitamin D – News f & # 39; Nybro – 24 hours a day



It was summer and record hot summer in Sweden this year, and those who spent living & # 39; abroad received much vitamin D from sunlight. When the ultraviolet radiation of the sun hit the skin, a chemical reaction that forms the starting vitamin D, and the sun is the absolute best source & # 39; vitamin. During summer really sunny day, the body can & # 39; produces b & # 39; significantly more vitamin D than consumption & # 39; recommended daily for a quarter to 20 minutes.

But how long? actually vitamin D the body of vitamin? Because it is fat soluble, it is stored in the body's fatty tissue, but not for long, Land.se writes.

"Anyone who thinks that is enough until the following summer is wrong. Vitamin D has a half-life of & # 39; between three weeks and two months, says Johan Malm, Professor – Clinical Chemistry in Lund university to Land.se.

One can & # 39; is exposed sun can & # 39; is converted to vitamin D in the body until the end of autumn Equinox, but then the sun is too low to give vitamin D, writes the site. Then it is up to & # 39; two because it is stored in body fat of the tissue. But how big the stock is enough and how much individual, according to Johan Malm. Obesity, bold men and the elderly are more difficult to form and store vitamin D, writes the site.

But also people A good absorption & # 39; vitamin D from the sun can not save any amount. For anyone with food jiekolx & # 39; vitamin D, such as oily fish (such as herring and salmon) but also forest fungus (eg, cantaloupe), can & # 39; be good b & # 39; & # 39 addition, vitamin D in the autumn until the spring equinox in & # 39; March. The recommended intake of & # 39; & # 39 daily; foodstuffs is & # 39; 10 micrograms.

– You can not get poison vitamin D from sunlight or diet. However, large amounts of & # 39; & # 39 supplements; Vitamin D can rarely lead to poisoning, says Johan Malm to Land.se.


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