80 likes | 151 Views
Vitamin A (overview, Introduction, sources, types, RDA, deficiency and health issues)<br>Vitamin A is a vital fat-soluble vitamin essential for vision, immune function, skin health, and growth. It is found in animal-based foods and colorful fruits/vegetables. Deficiency leads to vision problems, weak immunity, and growth issues. Excessive intake can cause toxicity. Balance in intake is crucial for overall well-being.<br>https://www.icfitnessclub.com/diploma-in-personal-trainer-course/
E N D
Vitamin A Introduction, Functions, RDA, Deficiency By IC Fitness Club – An Institute of Fitness Science
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. www.icfitnessclub.com
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. www.icfitnessclub.com
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. www.icfitnessclub.com
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. www.icfitnessclub.com
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. www.icfitnessclub.com
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. www.icfitnessclub.com
Thank You! By IC Fitness Club – An Institute of Fitness Science www.icfitnessclub.com