cholecalciferol

Cholecalciferol (Vitamin D3) is a fat-soluble vitamin that plays a crucial role in calcium and phosphorus metabolism, bone health, and immune function.

Sources of Cholecalciferol

• Natural synthesis: Produced in the skin when exposed to sunlight (UVB rays).
• Dietary sources: Found in fatty fish (salmon, mackerel, tuna), egg yolks, liver, and fortified foods (milk, cereals).
• Supplements: Often prescribed to prevent or treat Vitamin D deficiency.

Functions

• Enhances calcium and phosphorus absorption in the intestines.
• Promotes bone mineralization, preventing rickets (in children) and osteomalacia (in adults).
• Supports immune function and reduces inflammation.

Deficiency & Health Effects

• Symptoms: Fatigue, muscle weakness, bone pain, frequent infections.
• Conditions: Rickets, osteoporosis, increased risk of fractures, and autoimmune diseases.