Vitamin A – Why your body needs it?

What is Vitamin A?

In 1929, English biochemist Sir Frederick Gowland Hopkins OM, PRS (20 June 1861 – 16 May 1947) was who was awarded the Nobel Prize in Physiology or Medicine in 1929, with Christiaan Eijkman, for the discovery of essential nutrient factors — now known as vitamins — needed in animal diets to maintain health In 1912, one of his discoveries was a Fat-soluble vitamin called Vitamin A, which has a number of different forms:

It works synergistically with a number of other nutrients, including vitamins D, K2, zinc, and magnesium, and needs these nutrients in order to function properly.

Why is Vitamin A required?

  • To maintain good vision (especially at night) and overall eye health.
  • To maintain the health of bones and teeth.
  • To maintain healthy organ function (heart, lungs, kidneys)
  • To maintain a healthy immune system.
  • Reduced risk of developing squamous cell skin cancer
  • Essential for healthy cell membranes and overall growth and development.
  • Synthesis and balance of hormones.

What symptoms are associated with a Vitamin A deficiency?

  • Acne and breakouts
  • Delayed growth
  • Dry skin
  • Dry eyes
  • Infertility and trouble conceiving
  • Night blindness
  • Pain in the bones
  • Peeling skin
  • Poor wound healing
  • Throat and chest infections
  • Visual problems

What are the food sources?

  • Orange vegetables and fruit – eg Sweet potatoes, butternut squash, Carrots, and Cantaloupe and mangoes
  • Collard greens and turnip greens
  • Kale
  • Liver
  • Mustard greens
  • Spinach

How can I get enough?

Dosage: 2,000 to 10,000 IU per day.

Recommended Daily Allowance (RDA) is

  • 3,000 IU – Males
  • 2,300 IU – Females
  • 10,000 IU – Upper intake limit for both males and females

Sources

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