The vitamins are generally<u> present in natural foodstuffs</u>, but certain vitamins are provided as supplements.
Further Explanation:
<u>The </u><u>vitamins </u><u>are compounds that are supposed to be included in the diet as our body cannot synthesis them. </u>The vitamin needs of the body are mainly fulfilled by the food we eat. Every organism has different requirements for different vitamins. For example, dogs are capable of producing vitamin C in enough quantity, whereas humans cannot. <u>Humans need to consume vitamin C through food items. Vitamin D is obtained through exposure to sunlight, as it cannot be obtained from food. </u>When exposed to the sun, the body can produce it.
<u>Vitamins can be fat or water-soluble.</u> The water-soluble vitamins are difficult for the body to store as compared to the fat-soluble vitamins. <u>Vitamins are always organic </u>as they contain carbon. The source of vitamins is food such as vegetables and fruits but can also be taken as supplements.
<u>The fat-soluble vitamins are vitamin A, E, D, and K</u>, which are accumulated in the liver and fatty tissues. These vitamins can remain kept in the body for longer. <u>The water-soluble vitamins are usually excreted in the urine as they cannot be stored in the body for a longer period.</u> These are vitamin B and vitamin C.
The various functions of the vitamins are:
- They help in the release of energy from a certain food. For example, vitamin B.
- Certain components of vitamins such as riboflavin, niacin, thiamine, and biotin help in the production of energy.
- Vitamin C performs a major role in the production of collagen, which dissolves wounds and provides support to walls of the blood vessels.
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Answer Details:
Grade: College Biology
Chapter: Vitamins
Subject: Health
Keywords:
Vitamins, water-soluble, fat-soluble, vitamin A, B, C, D, K, thiamine, biotin, niacin, riboflavin, collagen, fatty tissues, liver, food, fruits, vegetables, supplements.