Vitamins And Their Functions And Deficiencies Pdf


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Vitamins: Their Functions and Sources

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Fat-soluble vitamins are vitamins A, D, E, and K. They are present in foods containing fats. The body absorbs these vitamins as it does dietary fats. They do not dissolve in water. Vitamins help the body function effectively.

Most are water-soluble, meaning they dissolve in water. In contrast, the fat-soluble vitamins are similar to oil and do not dissolve in water. Fat-soluble vitamins are most abundant in high-fat foods and are much better absorbed into your bloodstream when you eat them with fat. This article provides a comprehensive overview of the fat-soluble vitamins, their health benefits, functions and main dietary sources. Vitamin A plays a key role in maintaining your vision. Without it, you would go blind. Vitamin A is not a single compound.

What are fat-soluble vitamins?

The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses. These vitamins are not as likely as fat-soluble vitamins to reach toxic levels. But niacin, vitamin B6, folate, choline, and vitamin C have upper consumption limits. Vitamin B6 at high levels over a long period of time has been shown to cause irreversible nerve damage. A balanced diet usually provides enough of these vitamins.

Basic Vitamins: Water-Soluble and Fat-Soluble

Jump to content. The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses. These vitamins are not as likely as fat-soluble vitamins to reach toxic levels.

Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency , whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder may be metabolic — as in a genetic defect for converting tryptophan to niacin — or from lifestyle choices that increase vitamin needs, such as smoking or drinking alcohol. Conversely hypervitaminosis refers to symptoms caused by vitamin intakes in excess of needs, especially for fat-soluble vitamins that can accumulate in body tissues.

The list of vitamins and minerals below can give you an understanding of how particular different types of vitamins and minerals work in your body, how much of each nutrient you need every day , and what types of food to eat to ensure that you are getting an adequate supply. The recommendations in this vitamins chart are based largely on guidelines from the Institute of Medicine. Recommended amounts of different types of vitamins may be expressed in milligrams mg , micrograms mcg , or international units IU , depending on the nutrient. Unless specified, values represent those for adults ages 19 and older.

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If you're like most kids, you've probably heard at least one parent say, "Don't forget to take your vitamin!

The Fat-Soluble Vitamins: A, D, E and K

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The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses. These vitamins are not as likely as fat-soluble vitamins to reach toxic levels. But niacin, vitamin B6, folate, choline, and vitamin C have upper consumption limits.


The tables below list the vitamins, what they do in the body (their functions), and their sources in food. Water-soluble vitamins Water-soluble vitamins travel freely​.


Vitamin deficiency

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Теперь он был на виду, его голова торчала из оконного проема как на гильотине. Беккер подтянул ноги, стараясь протиснуться в проем. Когда его торс уже свисал над лестницей, шаги послышались совсем. Он схватился руками за боковые стороны проема и, одним движением вбросив свое тело внутрь, тяжело рухнул на лестницу. Халохот услышал, как где-то ниже тело Беккера упало на каменные ступеньки, и бросился вниз, сжимая в руке пистолет. В поле его зрения попало окно.

Listing of vitamins

 Да, Клаус женат. Но он очень толстый.

Он сел в кровати. - Нуда, конечно… С удовольствием. Беккер достал блокнот. - Итак, начнем с утра. Расскажите мне, что произошло.

Повсюду в старинных домах отворялись ворота, и люди целыми семьями выходили на улицы. Подобно крови, бегущей по жилам старого квартала Санта-Крус, они устремлялись к сердцу народа, его истории, к своему Богу, своему собору и алтарю. Где-то в уголке сознания Беккера звонили колокола. Я не умер.

Vitamins: Their Functions and Sources

 Сам удивишься. Дэвид сунул руку в карман халата и вытащил маленький предмет. - Закрой .

2 Comments

Niamh B.
04.05.2021 at 13:28 - Reply

Nutrient. Function. Deficiency Symptoms. Toxicity Symptoms. Major Food Sources. Vitamin K. Catalyzes prothrombin synthesis; req uired in the synthesis of.

Henri L.
07.05.2021 at 08:23 - Reply

Vitamins are of different chemical nature. and fats are needed for their absorption. Vitamins. A,D,E and K are fat soluble. 2. functions and deficiency.

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