Origin

Vitamin D is synthesized in the skin from cholesterol through a chemical reaction that depends on sun exposure (UVB radiation). Additionally, the flesh of fatty fish and some other foods contain significant amounts of vitamin D.

Also Known As

Vitamin D is known by its specific forms, including:

• Cholecalciferol (Vitamin D3)
• Ergocalciferol (Vitamin D2)

Usages

Vitamin D is crucial for:

• Enhancing the intestinal absorption of calcium, magnesium, and phosphate
• Maintaining calcium homeostasis and metabolism
• Supporting bone health, immune function, and reducing inflammation

Overview

Vitamin D encompasses a group of fat-soluble secosteroids vital for bone health and metabolic functions. It facilitates the absorption of important minerals in the intestines and has several biological effects. Key aspects include:

• Essential for the absorption and metabolism of calcium and phosphates
• Plays a significant role in bone health and immune system function
• Produced naturally by the body when exposed to sunlight

Common Dosage

The recommended daily intake of Vitamin D is 600 International Units (IU) for maintaining optimal health.

Summary

Vitamin D is essential for overall health, particularly in bone maintenance, immune system support, and the regulation of calcium and phosphate levels in the body. Its production is stimulated by sunlight exposure, and it can also be obtained from dietary sources. Key takeaways:

• Critical for calcium and phosphate metabolism and bone health
• Produced through skin synthesis with sun exposure and available in dietary forms
• Recommended daily intake is 600 IU

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