Human Nutrition 3(3+0)

Lesson 21 : Vitamin D

Absorption and storage

• Administration of vitamin D can be orally or by injection.
• Vitamin D is absorbed from the small intestines. Fat helps in absorption of the vitamin.
• Bile is essential for absorption.
• Vitamin D passes to the general circulation via lymph and distributed through the body.
• Small amounts of vitamin D are stored in liver and found in blood and other tissues.