Vitamin D3

Vitamin D3 and its Health Benefits

In the human body, vitamins play a vital role. Our body’s functions depend on certain vitamins, calcium, magnesium, minerals, and nutrition for its proper functioning. A human body works on 13 essential vitamins for its day to day functioning. Today in this blog, we are going to talk about the Sunshine vitamin – Vitamin D3.

What is Vitamin D, vitaminD2 and vitamin D3?

Vitamin D has a classification as vitamin D2 and vitamin D3. Both these vitamins carry out various functions and can be gained through vitamin-rich food or dietary supplements.

Vitamin D2: Its scientific name is ergocalciferol. Vitamin D2 is found in plants; it’s basically a plant oil. Compared to vitamin D3, it’s cheaper.

The best source of vitamin D2 are:

  • Mushrooms (grown in UV light)
  • Fortified foods
  • Dietary supplements

Vitamin D3: Its scientific name is cholecalciferol. It’s naturally produced in our body through ultraviolet rays that we receive through sun exposer. Animal-based food are also a vitamin D3 rich source. This vitamin has the capacity to increase the vitamin D level in our body.

The best source of vitamin D3 are:

  • Fatty fish
  • fish liver oil
  • Egg yolk
  • Butter
  • Dietary supplements

Functions of Vitamin D3:

Vitamin D3 is well known as sunshine vitamin as this vitamin is produced through our body’s natural function, wherein our body is exposed to direct sunlight. The ultraviolet rays hit on our skin surface and produces vitamin D3. However, some other vitamin D3 source includes animal-based food, cod liver oils, and dietary supplements. Vitamin D3 carries out an essential role of transforming this vitamin D3 into a hormone and circulating it throughout the body through bloodstreams. This function helps our body absorb the required calcium and phosphorous. These two nutrients help in the growth and development of our bone and teeth health. 95-99% of vitamin D’s major function is to regulate calcium throughout the body, and the remaining is used to boost the immune system. It also acts as an add-on for hormone formation, transformation and transmitting nerve impulses to the brain.  

3 Major Benefits of Vitamin D3:

There are ample health benefits of Vitamin D. It is a fat-soluble vitamin and takes time to dissolve; hence stays back in your body for a longer time.

Heart Health

The rate of cardiovascular diseases are increasing on a day to day basis. Various studies have taken place, and its found out vitamins do play a vital role in your heart health. As obesity and high blood pressure are problems faced by people who have a deficiency of vitamin D. Both these factor leads to bad heart health. Hence, a proper intake and balance of vitamins help in your bodily functions and further helps reduce the risk of bad heart health.


Vitamin D is an essential part of your teeth and bone health. Vitamin D3 is the primary source that helps in the circulation of calcium through the bloodstream. According to some research on bone health, vitamin D is the aid orthopedician usually used to treat fractures and muscle strains. It can also be a source for eliminating the risk of osteoporosis in your adulthood. In the global vitamin market, you get ample choices for every vitamin. But it’s safe to use these supplements only on a doctor’s prescription.


Building a strong immune system in the present world is a significant need for leading a healthy life. Respiratory diseases are increasing due to the current global pollution. It affects weak immune systems as their bodies cannot fight against bacteria and viruses. Vitamin D, D2 and D3 help boost your immune system keeping your body healthy against viruses and bacteria. It is a proven fact as a research study was conducted based on this theory. People with weak immune system was given vitamin D3 supplement, and over time it was observed that their body started responding against the acute disease.

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The best source of vitamin D3 is ultraviolet rays, but there is a certain degree of danger associated with higher exposure to sunlight in the present world. Hence people use sun protection like sunscreen, lotions, UV protectors and serums. And many people around the world have very less exposure to sunlight due to the weather conditions. In both these situations, our body cannot produce the required amount of Vitamin D3. In such conditions, it better to opt for vitamin D-rich food sources and dietary supplements. 

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