Yes, why else would it be called vitamin D if not?
I believe that would be vitamin D.
A blood test would show if you are low in Vitamin D.
No, absolutely not. If there are other ingredients in the vitamin for filler, they might, but vitamin D will not cause hives, it is an essential vitamin. Getting hives from vitamin D would be like getting hives from vitamin C.
I believe you are asking what vitamin helps calcium to be absorbed. It would be vitamin-D; most popular calcium supplements have been including vitamin-D in their product for quite some time now .
The kid will have trouble Blinking
Vitamin D is produced by ultraviolet radiation on your skin. The UV light converts a precursor molecule to vitamin D.
They would have an excess of vitamin D. Most people get this vitamin from exposure to the sun, so a heatstroke victim, who has likely been out in the sun for awhile, would have a lot of vitamin D in their body.
You get the symptoms and signs of vitamin A deficiency. Those are night blindness, Bitot's spots, keratomalacia and corneal ulcers and blindness. Your diet is usually deficient in vitamin D, unless you eat fish, specially fish liver. You get the vitamin D in presence of sunlight. Sub-clinical deficiency of vitamin D is very common, probably.
Rickets is caused by a deficiency of vitamin D, so it would be treated by adding vitamin D to the diet.
Vitamin D would not be synthesized in a person confined to a dark cell for a long time. Vitamin D is primarily synthesized in the skin in response to sunlight exposure. Without access to sunlight, the body would not be able to produce vitamin D naturally.
Lack of vitamin D can cause Rickets in children. Rickets is the softening of bones. Vitamin D plays a part in bone health because it helps us absorb calcium Lack of vitamin D also puts you at risk of cardiovascular diseases. Lack of vitamin D has been linked to people with high blood pressure