Site of absorption of Vitamins, Minerals and Nutrients

absorption site

nutrient absorption

Duodenum

  • Calcium
  • Thiamine
  • Iron
  • Protein
  • Carbohydrate

Jejunum/Proximal ileum

  • Fat
  • Vitamins A, D, E, K
  • Water-soluble vitamins
  • Folate
  • Essential minerals
  • Copper
  • Zinc
  • Phosphorous
  • Magnesium

Terminal ileum

  • Vitamin B12
  • Bile salts

site of absorption

Reference:

The SAGES Manual: A Practical Guide to Bariatric Surgeryย edited by Ninh T. Nguyen, Eric DeMaria, Sayeed Ikramuddin, Matthew M. Hutter


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