Vitamin D

A fat-soluble vitamin essential for calcium absorption, bone health, immune function, and overall health maintenance
Vitamins Fat Soluble Research: Extensive

Scientific Name

Cholecalciferol (D3) or Ergocalciferol (D2)

Also Known As

Vitamin D Calciferol Sunshine Vitamin

Benefits

  • Bone health and strength
  • Calcium absorption
  • Immune system regulation
  • Mood and cognitive support
  • Muscle function support
  • Cardiovascular health

Common Forms

Softgels Tablets Capsules Liquid drops Gummies Sublingual sprays

Safety Notes

Generally safe when used as directed. Excessive intake can lead to vitamin D toxicity causing hypercalcemia. Upper limit for adults is typically 4,000 IU daily, though higher doses may be prescribed under medical supervision.

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Types of Vitamin D

Vitamin D3

The form of vitamin D naturally produced in the skin upon exposure to sunlight and found in animal-based foods

Vitamins Fat soluble Research: Extensive

Vitamin D2

A plant-derived form of vitamin D commonly used in fortified foods and some supplements

Vitamins Fat soluble Research: Extensive