Vitamin a - Revision history

Admin: Redirect duplicate/variant page to Vitamin A

2026-06-24T19:14:21Z

Redirect duplicate/variant page to Vitamin A

← Older revision		Revision as of 19:14, 24 June 2026
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	[[Vitamin A]] is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in [[vision, [[immune function]], and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.		#REDIRECT [[Vitamin A]]

	~~[[File:Vitamin-A-Synthese.png\|thumb\|Vitamin-A-Synthese]]~~
	~~== Importance of Vitamin A ==~~
	*Vitamin A is essential for several bodily functions, including:
	*[[Vision]]: Vitamin A is a component of [[rhodopsin]], a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to [[night blindness]] and, in severe cases, blindness.
	*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of [[immune cells]].
	*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many [[tissues]], including the skin, respiratory tract, and [[gastrointestinal tract]].
	*[[Reproduction]]: Vitamin A is important for normal reproductive function and [[fetal]] development.

	~~== Sources of Vitamin A ==~~
	*Vitamin A can be obtained from both [[animal and plant sources]]. Some of the best sources of vitamin A include:
	*[[Animal sources]]: Liver, fish oil, and dairy products are all good sources of vitamin A.
	*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in [[beta-carotene]], which the body can convert into vitamin A.
	*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.
	*[[Supplements]]: Vitamin A supplements are also available in [[pill]] or liquid form.

	~~[[File:Vitamin A.gif\|thumb\|Vitamin A]]~~
	~~== Recommended Daily Intake ==~~
	*The recommended daily intake of vitamin A varies depending on age and gender. According to the National Institutes of Health (NIH), the recommended daily intake for vitamin A is:
	*Children 1-3 years: 300-400 micrograms (mcg)
	*Children 4-8 years: 400-500 mcg
	*Children 9-13 years: 600-900 mcg
	*Teens 14-18 years: 900-1,700 mcg
	*Adults 19 years and older: 700-900 mcg for women and 900-3,000 mcg for men
	*It is important to note that consuming too much vitamin A can be toxic and lead to adverse health effects. It is recommended to obtain vitamin A from a balanced and varied diet rather than relying on supplements, and to consult with a healthcare professional before taking vitamin A supplements.
	~~{{stub}}~~
	~~[[Category:Vitamin A\| ]]~~
	~~[[Category:Biomolecules]]~~
	~~[[Category:Unsaturated compounds~~]]

Prab at 09:08, 4 March 2023

2023-03-04T09:08:32Z

← Older revision		Revision as of 09:08, 4 March 2023
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	[[Vitamin A]] is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in [[vision, immune function]], and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.		[[Vitamin A]] is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in [[vision, [[immune function]], and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.

	[[File:Vitamin-A-Synthese.png\|thumb\|Vitamin-A-Synthese]]		[[File:Vitamin-A-Synthese.png\|thumb\|Vitamin-A-Synthese]]
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	*[[Vision]]: Vitamin A is a component of [[rhodopsin]], a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to [[night blindness]] and, in severe cases, blindness.		*[[Vision]]: Vitamin A is a component of [[rhodopsin]], a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to [[night blindness]] and, in severe cases, blindness.
	*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of [[immune cells]].		*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of [[immune cells]].
	*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many [[tissues, including the skin, respiratory tract, and gastrointestinal tract]].		*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many [[tissues]], including the skin, respiratory tract, and [[gastrointestinal tract]].
	*[[Reproduction]]: Vitamin A is important for normal reproductive function and [[fetal]] development.		*[[Reproduction]]: Vitamin A is important for normal reproductive function and [[fetal]] development.

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	*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in [[beta-carotene]], which the body can convert into vitamin A.		*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in [[beta-carotene]], which the body can convert into vitamin A.
	*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.		*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.
	*[[Supplements]]: Vitamin A supplements are also available in [[pill or liquid form]].		*[[Supplements]]: Vitamin A supplements are also available in [[pill]] or liquid form.

	[[File:Vitamin A.gif\|thumb\|Vitamin A]]		[[File:Vitamin A.gif\|thumb\|Vitamin A]]

Prab at 23:02, 3 March 2023

2023-03-03T23:02:16Z

Prab: Created page with "Vitamin A is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in vision, immune function, and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake. Vitamin-A-Synthese == Importance of Vitamin A == Vitamin A is essential for several bodily functions, including: Vision: Vitamin A is a component of rh..."

2023-03-03T22:59:14Z

Created page with "Vitamin A is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in vision, immune function, and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake. thumb|Vitamin-A-Synthese == Importance of Vitamin A == *Vitamin A is essential for several bodily functions, including: *Vision: Vitamin A is a component of rh..."

New page

Vitamin A is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in vision, immune function, and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.

[[File:Vitamin-A-Synthese.png|thumb|Vitamin-A-Synthese]]
== Importance of Vitamin A ==
*Vitamin A is essential for several bodily functions, including:
*[[Vision]]: Vitamin A is a component of rhodopsin, a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to night blindness and, in severe cases, blindness.
*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of immune cells.
*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many tissues, including the skin, respiratory tract, and gastrointestinal tract.
*[[Reproduction]]: Vitamin A is important for normal reproductive function and fetal development.

== Sources of Vitamin A ==
*Vitamin A can be obtained from both animal and plant sources. Some of the best sources of vitamin A include:
*[[Animal sources]]: Liver, fish oil, and dairy products are all good sources of vitamin A.
*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in beta-carotene, which the body can convert into vitamin A.
*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.
*[[Supplements]]: Vitamin A supplements are also available in pill or liquid form.

[[File:Vitamin A.gif|thumb|Vitamin A]]
== Recommended Daily Intake ==
*The recommended daily intake of vitamin A varies depending on age and gender. According to the National Institutes of Health (NIH), the recommended daily intake for vitamin A is:
*Children 1-3 years: 300-400 micrograms (mcg)
*Children 4-8 years: 400-500 mcg
*Children 9-13 years: 600-900 mcg
*Teens 14-18 years: 900-1,700 mcg
*Adults 19 years and older: 700-900 mcg for women and 900-3,000 mcg for men
*It is important to note that consuming too much vitamin A can be toxic and lead to adverse health effects. It is recommended to obtain vitamin A from a balanced and varied diet rather than relying on supplements, and to consult with a healthcare professional before taking vitamin A supplements.
{{stub}}
[[Category:Vitamin A| ]]
[[Category:Biomolecules]]
[[Category:Unsaturated compounds]]

← Older revision		Revision as of 23:02, 3 March 2023
Line 1:		Line 1:
	Vitamin A is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in vision, immune function, and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.		[[Vitamin A]] is a fat-soluble vitamin that is essential for many bodily functions. It plays a critical role in [[vision, immune function]], and cell growth and differentiation. In this article, we will explore the importance of vitamin A, its sources, and the recommended daily intake.

	[[File:Vitamin-A-Synthese.png\|thumb\|Vitamin-A-Synthese]]		[[File:Vitamin-A-Synthese.png\|thumb\|Vitamin-A-Synthese]]
	== Importance of Vitamin A ==		== Importance of Vitamin A ==
	*Vitamin A is essential for several bodily functions, including:		*Vitamin A is essential for several bodily functions, including:
	*[[Vision]]: Vitamin A is a component of rhodopsin, a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to night blindness and, in severe cases, blindness.		*[[Vision]]: Vitamin A is a component of [[rhodopsin]], a protein in the retina that allows us to see in low light conditions. Vitamin A deficiency can lead to [[night blindness]] and, in severe cases, blindness.
	*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of immune cells.		*[[Immune function]]: Vitamin A is essential for maintaining a healthy immune system, as it helps to regulate the growth and differentiation of [[immune cells]].
	*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many tissues, including the skin, respiratory tract, and gastrointestinal tract.		*[[Cell growth and differentiation]]: Vitamin A is important for the growth and differentiation of cells in many [[tissues, including the skin, respiratory tract, and gastrointestinal tract]].
	*[[Reproduction]]: Vitamin A is important for normal reproductive function and fetal development.		*[[Reproduction]]: Vitamin A is important for normal reproductive function and [[fetal]] development.

	== Sources of Vitamin A ==		== Sources of Vitamin A ==
	*Vitamin A can be obtained from both animal and plant sources. Some of the best sources of vitamin A include:		*Vitamin A can be obtained from both [[animal and plant sources]]. Some of the best sources of vitamin A include:
	*[[Animal sources]]: Liver, fish oil, and dairy products are all good sources of vitamin A.		*[[Animal sources]]: Liver, fish oil, and dairy products are all good sources of vitamin A.
	*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in beta-carotene, which the body can convert into vitamin A.		*[[Plant sources]]: Dark leafy greens, carrots, sweet potatoes, and winter squash are all high in [[beta-carotene]], which the body can convert into vitamin A.
	*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.		*[[Fortified foods]]: Many foods, such as breakfast cereals and milk, are fortified with vitamin A.
	*[[Supplements]]: Vitamin A supplements are also available in pill or liquid form.		*[[Supplements]]: Vitamin A supplements are also available in [[pill or liquid form]].

	[[File:Vitamin A.gif\|thumb\|Vitamin A]]		[[File:Vitamin A.gif\|thumb\|Vitamin A]]