Functions of Vitamin A, B, C, D, E

Vitamins are essential micronutrients which the body requires for normal development, functioning and growth. These nutrients can not be synthesised within the body and therefore they are taken up by the body from the food that we consume. The deficiency of any vitamin can have adverse effects on the body, therefore it is important to have a vitamin-rich balanced diet. It is essential to know the functions of vitamins A, B, C, D, and E and the roles they play in the human body.

Name of the Vitamin Function of the Vitamin
Vitamin A
  • Vitamin A helps in the development and maintenance of teeth and skeletal and soft tissues.
  • It is also important for the maintenance of skin and the mucous membrane
  • More importantly, the mucous membrane promotes good eyesight, specifically in low light.
  • Beta-carotene, a form of vitamin A, protects cells from free radicals. This may reduce the risk of cancer.
Vitamin B
  • Promotes cell health
  • Important for the development of RBCs
  • Vitamin B is required for healthy brain function
  • It is also involved in the production of hormones and cholesterol
  • It is required for proper muscle tone.
Vitamin C
  • Important for the growth and repair of body tissues
  • Helps to heal wounds more effectively
  • Aids the absorption of iron
  • Helpful for the maintenance of cartilage, teeth and bones
  • Vitamin C is also an antioxidant, hence it aids in blocking some damage caused by free radicals
Vitamin D
  • Required for mineral homeostasis
  • Required for the formation of bones
  • Required to maintain normal blood levels of phosphorus and calcium
Vitamin E
  • Functions as a powerful antioxidant.
  • Protects the cells from the effects of free-radicals
  • Boosts immune system
  • Required for fulfilling of various cellular functions

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1 Comment

  1. thanks for telling me these vitamin functions or i would be fail in my class revision test

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