Vitamin D3 (Cholecalciferol)
Also known as: Cholecalciferol, Vitamin D, Sunshine Vitamin
Essential fat-soluble vitamin crucial for calcium absorption, bone health, immune function, and mood regulation. Deficiency affects up to 42% of adults.
Uses & Evidence
Bone healthhigh evidence
Essential for calcium absorption and bone mineralization
Immune supporthigh evidence
Modulates innate and adaptive immune responses
Depressionmoderate evidence
Low levels associated with increased depression risk
Dosage
Typical: 1000-4000 IU daily
Side Effects
- Nausea (high doses)
- Hypercalcemia (toxicity)
- Kidney stones (excessive doses)
Best Vitamin D3 (Cholecalciferol) Supplements
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