Vit. D3 (100,000 iu/g)


Vitamin D3, essential for various bodily functions, is synthesized by the skin upon exposure to sunlight. It’s also present in certain foods and available as a dietary supplement, ensuring multiple avenues for obtaining this crucial vitamin.

Also Known As

This vitamin is known by several forms and names, highlighting its versatility:

  • Cholecalciferol
  • Ergocalciferol-D2
  • Alfacalcidol


Vitamin D3 is utilized for a wide array of health purposes, notably for:

  • Treating and preventing vitamin D deficiency and diseases such as rickets
  • Managing conditions like familial hypophosphatemia, hypoparathyroidism causing low blood calcium, and Fanconi syndrome
  • Generally taken orally, it plays a crucial role in calcium absorption and bone health


Vitamin D3 is a critical form of vitamin D, recognized for its role in bone health and calcium absorption. Produced naturally in the skin following UVB light exposure, it undergoes further conversion in the liver and kidneys to support its active role in the body. Key aspects include:

  • Essential for the prevention and treatment of vitamin D deficiency
  • Supports the uptake of calcium by the intestines, contributing to bone health
  • Found naturally in certain fish, cheese, eggs, and fortified foods like milk

Common Dosage

The common dosage of Vitamin D3 can vary widely based on individual needs and medical advice. For specific conditions, dosages are carefully determined by healthcare providers.


Vitamin D3 is indispensable for maintaining healthy levels of vitamin D, crucial for bone health and calcium metabolism. Its natural synthesis through sunlight exposure, presence in certain foods, and availability as a supplement make it accessible for everyone. Key takeaways include:

  • Plays a vital role in calcium absorption and bone health
  • Prevents vitamin D deficiency and associated diseases
  • Dosage varies, with specific requirements determined based on individual health needs

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