Vitamin A Misc

Many Vitamin A PDF files are attached at the bottom of this page

Vitamin A supplementation

World Health Organization recommended Vitamin A supplementation by injection twice per year
200,000 IU each time. Most countries have implemented their recommendations

VitaminDWiki Concern: so much vitamin A may block vitamin D for many months
so this may be an additional reason for vitamin D deficiency around the world

More than half of these kids get 200,000 IU Vitamin Aoranl dose twice a year

Afghanistan; Angola; Bangladesh; Benin; Botswana; Burkina Faso; Burma; Burundi; Camoeroon; Central African Republic; Chad; Congo; Cote d'Ivoire; Djibouti; Gabon; Gambia; Ghana; Guinea; Guinea-Bissau; Kenya; Korea, North; Laos; Liberia; Madagascar; Mali; Mauritania; Micronesia, Mongolia; Mozambique; Namibia; Nepal; Niger; Nigeria; Pakistan; Philippines; Rwanda; Senegal; Sierra Leone; Sudan

Vitamin A benefits @ Vitamin Angels

$1 spent $17 benefits
"Our cost to reach one child with two doses of vitamin A during their most vulnerable years (ages 6-59 months) is approximately $0.25 cents per year. Two doses per year can alleviate vitamin A deficiency (VAD) in children under five, a solution proven to reduce overall child mortality by about 24% in at-risk populations. Join us in our effort to reach at-risk children worldwide with essential nutrients."

In 2008, a panel of world-class economists assembled by the Copenhagen Consensus analyzed forty solutions to ten of the world's greatest global development challenges.
The result? The panel ranked micronutrient supplementation for undernourished children the #1 priority.
1: Micronutrient supplements for children (vitamin A and zinc) Malnutrition
2: The Doha development agenda Trade
3: Micronutrient fortification (iron and salt iodization) Malnutrition
4: Expanded immunization coverage for children Diseases
5: Biofortification Malnutrition
Note: vary different recommendations in following years

Expodential decay of vitamin A from the liver is not linear
    Download the PDF via way-back machine from VitaminDWiki

See also VitaminDWiki

See also web


  • Liver stores vitamin A for about 2 years (vitamin D for about 4 months)
  • Lack of consensus on Vitamin A half life: ranges from 50-300 days
  • Serum level of vitamin A is not a good measure – as serum level is regulated

Vitamin A interactions with D @ Mercola

3,000 IU vitamin A negated benefits of vitamin D

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