Vitamin A

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Vitamin A

• Introduction, Functions, RDA, Deficiency
• By IC Fitness Club An Institute of Fitness
  Science

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Introduction

• Vitamin A is a vital and essential fat-soluble
  vitamin that plays a critical role in maintaining
  overall health and well-being. It belongs to a
  group of organic compounds that includes retinol,
  retinal, and retinoic acid. These compounds are
  crucial for several physiological functions
  within the human body.

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Sources of Vitamin A

• Vitamin A can be obtained from two main sources
• Preformed Vitamin A This type of Vitamin A is
  found in animal-based foods such as liver, fish
  oil, dairy products, and eggs.
• Provitamin A Carotenoids These are found in
  colourful fruits and vegetables like carrots,
  sweet potatoes, spinach, and mangoes. The body
  can convert these carotenoids into Vitamin A.

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Functions Role of Vitamin A

• Vision Retinal, one form of Vitamin A, is a key
  component of the visual pigments in the eyes. It
  plays a vital role in converting light into nerve
  signals, allowing us to see in low-light
  conditions and maintain good vision.
• Immune Support Vitamin A is essential for a
  robust immune system. It helps in the development
  and proper functioning of white blood cells,
  which are crucial for fighting off infections and
  diseases.
• Skin Health Another form of Vitamin A, retinoic
  acid, is well-known for its benefits in promoting
  healthy skin. It supports cell turnover, helps
  maintain skin integrity, and is used in various
  skincare products for its rejuvenating
  properties.
• Growth and Development Vitamin A is crucial for
  the proper growth and development of children. It
  is necessary for the development of bones, teeth,
  and soft tissues.
• Antioxidant Properties Vitamin A acts as an
  antioxidant, protecting the body against damage
  caused by free radicals, which can lead to
  various chronic diseases and premature aging.

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Deficiency and Toxicity

• Vitamin A deficiency can result from inadequate
  dietary intake and can lead to several health
  issues, such as night blindness, dry eyes,
  impaired immunity, and growth problems.

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Recommended Intake

• The recommended daily intake of Vitamin A varies
  based on age, gender, and life stage. The average
  Intake is 700mcg/day for adults. It is essential
  to follow the recommended guidelines to maintain
  a proper balance of this crucial vitamin in the
  body.
• In conclusion, Vitamin A is a multifunctional
  nutrient that is indispensable for various bodily
  processes, including vision, immunity, and skin
  health. A balanced diet rich in Vitamin A sources
  is crucial to ensure optimal health and prevent
  deficiency or toxicity-related issues.

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Conclusion

• In conclusion, Vitamin A is a multifunctional
  nutrient that is indispensable for various bodily
  processes, including vision, immunity, and skin
  health. A balanced diet rich in Vitamin A sources
  is crucial to ensure optimal health and prevent
  deficiency or toxicity-related issues.

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Thank You!

• By
• IC Fitness Club An Institute of Fitness Science
  
• www.icfitnessclub.com