Which vitamin is produced in the skin during sun bathing?

vitamin A
vitamin B
vitamin C
vitamin D
Vitamin D is syn­the­sized from choles­terol in the skin with the help of the natural ul­tra­vi­o­let wave­length of sun­light. Sup­ple­men­ta­tion of vitamin D is rec­om­mend­ed only for sun-de­prived people (eg. elderly or living in the Far North).

Answers distribution

vitamin A
vitamin B
vitamin C
vitamin D
answers
flagNorway
0%
0%
0%
100%
26
flagBulgaria
0%
0%
0%
100%
13
flagUkraine
0%
0%
4%
95%
22
flagthe United Arab Emirates
0%
0%
5%
94%
17
flagSweden
0%
0%
3%
92%
28
flagCanada
0%
7%
0%
92%
27
flagRepublic of Ireland
6%
1%
0%
91%
74
flagItaly
6%
0%
0%
90%
31
flagAustralia
6%
6%
0%
86%
15
flagGermany
6%
6%
0%
85%
159
flagthe Philippines
7%
0%
7%
85%
14
flagthe United States
3%
2%
6%
84%
291
flagthe United Kingdom
6%
3%
4%
84%
286
flagPoland
6%
4%
4%
83%
12183
flagthe Netherlands
16%
0%
0%
83%
31
flagCzech Republic
0%
18%
0%
81%
16
flagUnknown
9%
6%
5%
77%
499
flagIndia
5%
6%
5%
76%
95
flagFrance
7%
7%
11%
73%
26
flagNigeria
7%
15%
7%
46%
13

Gender

men77%
women86%
vitamin A
8%
6%
vitamin B
8%
3%
vitamin C
5%
3%
vitamin D
77%
86%

Language versions

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Which vitamin is produced in the skin during sun bathing?
639
81%

Details

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Illustration: Pedro Simões
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