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

It is essential to know the functions of vitamin A, B, C, D, E and the roles they play in the human body.

Name of the Vitamin The function of the Vitamin
Vitamin A
  • Vitamin A helps in the development and maintenance of teeth, 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 full filling various cellular functions

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