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What is Vitamin D3?

Vitamin D3, also known as Cholecalciferol, is a fat-soluble vitamin essential for maintaining healthy bones, teeth, and immune system function. It helps the body absorb calcium and phosphorus, which are vital for bone strength and development.

Other Names

  • Cholecalciferol

  • Vitamin D₃

  • Calciferol (active form after liver & kidney conversion)

Brand Names (India & Worldwide)

  • D-Rise, Calcirol, Uprise-D3, D3 Must, Shelcal HD, Tayo 60K, Ostocalcium D3

Composition

  • Active Ingredient: Cholecalciferol (Vitamin D3)

  • Common Strengths:

    • 400 IU (daily supplement)

    • 1000 IU

    • 2000 IU

    • 60000 IU (weekly or monthly dose – most popular form in India)

  • Available Forms:

    • Softgel Capsules

    • Chewable Tablets

    • Oral Drops (for infants)

    • Granules/Sachets (e.g., D-Rise 60K sachet)

Uses / Indications

Vitamin D3 is used to:

  • Prevent and treat Vitamin D deficiency

  • Strengthen bones and teeth

  • Support calcium absorption

  • Treat osteoporosis, osteomalacia, and rickets

  • Improve immunity

  • Help with muscle weakness and fatigue

Side Effects (Usually rare)

Vitamin D3 is safe when used correctly, but excessive use may cause:

  • Hypercalcemia (high calcium levels)

  • Nausea or vomiting

  • Constipation

  • Weakness or confusion

  • Frequent urination