Vitamin D

Vitamin DVitamin D is a fat-soluble vitamin. Vitamin D3 is produced in the skin of vertebrates after exposure to ultraviolet B light from the sun or artificial sources. In some countries milk, flour and margarine are artificially fortified with vitamin D.

Key role of Vitamin D

Vitamin D helps improve the following conditions:

Research Findings:

  1. According to study just published in the journal Cancer Epidemiology, Biomarkers & Prevention, scientists report that breast cancer patients with low levels of vitamin D have more aggressive tumors and a higher risk of recurrence.
  2. “For many people, prescription bone-building medicines should be a last resort,” said Karen Chapman-Novakofski, a U of I professor of nutrition and co-author of a literature review published in a recent issue of the journal Nutrients. “For many people, prescription bone-building medicines should be a last resort,” said Karen Chapman-Novakofski, a U of I professor of nutrition and co-author of a literature review published in a recent issue of the journal Nutrients.
  3. A study published in the May issue of Journal of Adolescent Health has found that serious deficiency and insufficiency of vitamin D exist among obese adolescents.
  4. A study by the Journal of the American Medical Association suggested higher levels of vitamin D might decrease overall risk of developing MS.
  5. It is the prediction of the United States Surgeon General’s Office that more than half of all Americans over the age of 50 will be at risk for low bone density, or osteoporosis, by the year 2020.
  6. Researchers from the National Nutrition and Food Technology Research Institute in Iran discovered recently that when given extra vitamin D as part of their daily diets for several months, diabetics’ blood sugar levels began to drop.
  7. Published in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine, the new study reveals that inadequate circulating blood levels of vitamin D are responsible for both altered lung structure and decreased lung function.

Recommended Daily Intake: RDI – According to Wikipedia

The new reference intakes for vitamin D are:

  • 1–70 years of age: 600 IU/day (15 μg equivalent)
  • 71+ years of age: 800 IU/day
  • Pregnant/lactating: 600 IU/day

An AI remains for infants:

  • 0–12 months: 400 IU/day

The upper level intakes for vitamin D are:

  • 0–6 months of age: 1,000 IU
  • 6–12 months of age: 1,500 IU
  • 1–3 years of age: 2,500 IU
  • 4–8 years of age: 3,000 IU
  • 9-71+ years of age: 4,000 IU
  • Pregnant/lactating: 4,000 IU

Food sources:

People who need Vitamin D supplement

Recommendation:Vitamin D

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