intrinsic factor
It Is absorbed through sunlight and food or liguids you consume.
Vitamin C is absorbed by the body as well as sugar, however vitamin C is an acid (ascoribic acid) where as sugar is a carbohydrate. More simply, a glucose. So no, vitamin C is nothing like sugar at all.
absorbed through the blood stream
Fat soluble vitamins are not as quickly eliminated from the body, but rather are stored in fat tissues and in various organs throughout the body. The regulation of the body levels of these vitamins is therefore not as precise as for the water soluble vitamins and long term consumption at levels above those required can mean the build up of toxic levels of fat soluble vitamins in the body. Toxic symptoms have been recorded but for some fat soluble vitamins such as vitamin E and vitamin K it has been difficult to establish the effects of chronic (long term) consumption levels.
You need vitamin A for healthy eyesight and skin.
bioavailability
bioavailability
Vitamin D is absorbed through the skin, not the eyes.
The amount absorbed and subsequently used by the body
There are a selection of vitamins that are in the Vitamin K group. These are known as K1-K5. Vitamin K1 is not produced by the body but is absorbed from foods such as green leafy vegetables (spinach, cabbage, broccoli) and some fruits such as avocado and kiwi fruit. Vitamin K2 is produced by bacteria in the large intestine. Vitamins K3-K5 are synthetic and are not generally used for human consumption.
when the skin has not absorbed sufficent sunlight specifially u.v rays
Vitamin D is also known as Ergocalciferol (vitamin D2) and Cholecalciferol (vitamin D3).It is a fat soluble vitamin that helps body to absorb calcium. It is also known as sunshine vitamin because the body manufactures the vitamin after being exposed to sunshine.
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 .
It Is absorbed through sunlight and food or liguids you consume.
Vitamin K is a fat-soluble vitamin produced by bacteria in the GI tract. In needs fat (lipids) to be absorbed by the intestines. You do not need to add extra Vitamin K.
Vitamin C is absorbed by the body as well as sugar, however vitamin C is an acid (ascoribic acid) where as sugar is a carbohydrate. More simply, a glucose. So no, vitamin C is nothing like sugar at all.
Vitamins aid the body in functioning and repairing cells. Each individual vitamin has its own benefits. Vitamin B is known for supporting the nervous system and providing energy. Vitamin C is known for its repairing qualities in the body. Vitamin D is known for the support it provides to the bones in the body. For a full list of vitamins and their functions in the body, it is best to read medical guides concerning the vitamins because there are hundreds.