Vitamins & Minerals

VITAMIN D3

What is vitamin D3? 

Vitamin D3, also known as cholecalciferol, is a form of vitamin D that is naturally produced in the skin when exposed to sunlight. It can also be obtained through dietary sources and supplements. Vitamin D3 plays a crucial role in maintaining proper calcium and phosphate levels in the body, which are essential for bone health. It has important functions in supporting immune system function, regulating cell growth and differentiation, and promoting overall health.

Adequate levels of vitamin D3 are important for maintaining strong bones, preventing conditions like rickets in children and osteoporosis in adults. Vitamin D3 deficiency can lead to various health issues, including muscle weakness, increased risk of fractures, and compromised immune function. Supplementation with vitamin D3 is commonly recommended for individuals with low levels or those who have limited sun exposure, especially during winter months or in regions with limited sunlight.

Research has demonstrated that vitamin D3 deficiency can have detrimental effects on the immune system and contribute to the development of various diseases and disorders. The immune system relies on vitamin D3 to regulate immune responses and promote proper immune function.

Several studies have shown associations between vitamin D3 deficiency and increased susceptibility to infections, autoimmune diseases, and inflammatory disorders. Low levels of vitamin D3 have been linked to conditions such as respiratory infections, asthma, allergies, multiple sclerosis, and certain types of cancers.

While vitamin D3 supplementation can help raise and maintain adequate levels, it's worth noting that individual responses to supplementation may vary. Factors such as age, skin pigmentation, sun exposure, dietary intake, and underlying health conditions can affect the body's ability to produce and utilise vitamin D3.

Vitamins or minerals that enhance the absorption of vitamin D3 include:

  • Calcium: Calcium and vitamin D3 work together in maintaining strong bones. Vitamin D enhances calcium absorption in the intestines, and calcium is required for bone mineralisation. Consuming foods rich in both vitamin D and calcium can support bone health.
  • Magnesium: Adequate magnesium levels are necessary for the activation of vitamin D in the body. Magnesium is involved in converting vitamin D3 into its biologically active form, which is crucial for various metabolic processes.
  • Vitamin K: Vitamin K plays a role in calcium metabolism and bone health. Adequate vitamin K levels can indirectly support the functions of both vitamin D3 and calcium in maintaining bone health.
  • Phosphorus: Phosphorus, like calcium, is involved in bone health, and vitamin D helps regulate phosphorus levels in the body. Ensuring sufficient phosphorus intake can support vitamin D3's functions.
  • Vitamin A: Vitamin A is involved in various metabolic processes and plays a role in bone health. While it doesn't directly enhance vitamin D3 absorption, it can contribute to overall bone health when consumed alongside vitamin D-rich foods.
  • Zinc: Zinc is important for the immune system and various enzymatic reactions, and it can indirectly impact vitamin D3 metabolism.

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DIVE DEEPER

Explore the tabs and discover links between VITAMIN D3 and various elements

How much does the body need per day?

Age
Male
Female

1 to 3 years:

15 mcg

15 mcg

4 to 8 years:

15 mcg

15 mcg

9 to 13 years:

15 mcg

15 mcg

14 to 18 years old:

15 mcg

15 mcg

19 to 50 years:

15 mcg

15 mcg

51 years and over:

20 mcg

20 mcg

During pregnancy:

15 mcg

Lactation

15 mcg