Vitamin D

Vitamin D is a fat-soluble vitamin that is essential for maintaining the health of bones and teeth, supporting the immune system, brain, and nervous system, regulating insulin levels, and aiding in the absorption of calcium and phosphorus.

Sources of Vitamin D

• Sunlight: The body can produce vitamin D when the skin is exposed to sunlight.
• Foods: Vitamin D is found in some foods, including fatty fish, egg yolks, and fortified dairy and grain products.
• Supplements: Vitamin D supplements are available and may be recommended for individuals who have limited sun exposure or dietary restrictions.

Functions of Vitamin D

Vitamin D plays a crucial role in maintaining overall health, including:

• Promoting calcium absorption for healthy bones and teeth
• Supporting immune function and reducing inflammation
• Regulating insulin levels and supporting diabetes management
• Supporting brain and nervous system health

Deficiency and Health Risks

A deficiency in vitamin D can lead to health issues such as rickets in children, osteomalacia in adults, weakened immune function, increased risk of chronic diseases, and bone disorders.

Study Guide

When studying vitamin D, consider the following key points:

1. What are the sources of vitamin D?
2. What are the functions of vitamin D in the body?
3. What health risks are associated with vitamin D deficiency?
4. How does vitamin D support bone health?
5. What are the dietary recommendations for vitamin D intake?

Understanding the importance of vitamin D and its role in maintaining overall health is essential for promoting well-being and preventing deficiencies.