Vitamin A – Part 1

Vitamin A-1As we discussed in vitamins and minerals, it is the main aspect that help keep our immune system in top notch condition. Increase your energy levels, enhance your appearance and expand your intelligence.

It is important to know about every vitamin and mineral. What are the benefits, what are the deficiencies and where we can find them.

Role of Vitamin A:

Vitamin A is important for the following organs

  1. Eye: helps your eyes adjust to light changes when you come in from outside.
  2. Skin: It prevents skin disorders, such as acne, wrinkling and age spots.
  3. Immune system: protects against colds, flu and infections to kidney, bladder and lungs. Maintains and repairs the mucous  membranes
  4. Bone growth
  5. Reproduction

Recommended Daily Intake:

Life stage group RDAAdequate intakes (AI*)
μg/day
Upper limitμg/day
Infants
0–6 months
7–12 months
400*
500*
1200
1300
Children
1–3 years
4–8 years
300
400
600
900
Males
9–13 years
14–18 years
19 – >70 years
600
900
900
1700
2800
3000
Females
9–13 years
14–18 years
19 – >70 years
600
700
700
1700
2800
3000
Pregnancy
<19 years
19 – >50 years
750
770
2800
3000
Lactation
<19 years
19 – >50 years
1200
1300
2800
3000

Vitamin A deficiency:

According to Wikipedia Vitamin A deficiency is estimated to affect approximately one third of children under the age of five around the world. It is estimated to claim the lives of 670,000 children under five annually. Approximately 250,000–500,000 children in developing countries become blind each year owing to vitamin A deficiency, with the highest prevalence in Southeast Asia and Africa.

While strategies include intake of vitamin A through a combination of breast feeding and dietary intake, delivery of oral high-dose supplements remain the principal strategy for minimizing deficiency. Studies have shown vitamin A supplementation of children under five who are at risk of deficiency can reduce mortality by 23%.

Resources:

  1. Vitamin A – Wikipedia
  2. Vitamin A – Fact sheet
  3. Products: what is Supreme Antioxidant and how to acquire them
  4. Books on Vitamin and Mineral

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One Response to “Vitamin A – Part 1”

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Time July 16, 2012 at 7:49 am

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