Wellness & Relaxation

What Exactly is Cholecalciferol And What’s It For? 

Cholecalciferol supplements
Written by Shan Carlos

Over millenia, humans have developed to be daytime creatures. The natural state for humans is to be awake during the day and sleep at night. However, the advent of electricity has made it easier than ever to sleep during the day and be awake during the night, either through preference or, perhaps, the need to work a graveyard shift. Regardless, exposure to sunlight is crucial to the body’s healthy development and maintenance. Thankfully though, if your exposure to sunlight is limited, there are dietary supplements like Active Stem that can give your body the extra boost it needs to ensure it is receiving the proper vitamin D (a byproduct of sunlight) that it needs. Since vitamin D is essential to the body, how does sunlight–or its equivalent benefits–make its way into the body to help it so much? The answer is cholecalciferol. 

Cholecalciferol: Vitamin D — Vitamin D3

If you’ve never heard of cholecalciferol, you’re not alone. Chances are good, however, that you’ve heard of what it is without realizing it. Cholecalciferol is a type of vitamin D—vitamin D3, to be exact. Why is vitamin D so important? Also called the “sunshine vitamin,” vitamin D is naturally made when the skin is exposed to sunlight. As scientists and researchers learn more and more about cholecalciferol and vitamin D, they’re understanding just how important it is to good bone health.1  

Due to a variety of factors, however, it is estimated that approximately 50% of the worldwide population suffers from a lack of vitamin D. The reasons for this deficiency vary widely, but the good news is that vitamin D can be given to the body in other ways besides direct sunlight exposure to the skin. Some of these methods include eating foods that are higher in vitamin D like some fish (salmon, mackerel, and herring for example) and some mushrooms.2 Another way to supplement a vitamin D deficiency is through supplements such as Active Stem. Including cholecalciferol supplement like Active Stem in your diet for vitamin D deficiency may be able to help repair or maintain the body’s needed calcium, which is responsible for bone growth and development.3, 4

How Does Cholecalciferol Work? 

working process of Cholecalciferol

If calcium is essential for bone growth and overall health, how does the body turn sunlight exposure or supplements like Active Stem (which provide vitamin D) into something the body can use? While the body has many separate systems with very specific functions, those systems also work very well together for overall body health.  

In the case of cholecalciferol and vitamin D, it works like this: the intestines are part of the digestive system, and one of the jobs of the intestines is to absorb calcium. And since vitamin D is a key “helper” when it comes to absorbing calcium, having the proper levels of vitamin D in your system is critical.5  

Aside from foods and drink that may contain vitamin D, another way to get UV rays (i.e. sunlight) to your body is in a tanning bed. The problem with tanning beds, however (as opposed to a dietary supplement like Active Stem) is that tanning beds are very high in UVA levels, rather than the UVB levels that are primarily responsible for the absorption of calcium by the body.6  

Therefore, the connection between vitamin D intake and levels and how the body absorbs and retains calcium becomes clearer. In essence, the more balanced levels of vitamin D the body has, the better the chances of it absorbing the proper levels of Vitamin C from food, drink, and supplements.  

Cholecalciferol: The Takeaway 

Throughout life, the body’s skeletal system needs to be properly “fed” a healthy diet of calcium, among other things, in order to grow properly and to remain healthy and strong for years to come. Ensuring your body is receiving the proper amounts of calcium are important to this overall bone health. The other important factor, too, is that in order for your body to properly take advantage of the levels of calcium you are providing it you must also ensure that there is enough vitamin D in your system to properly absorb the incoming calcium. Supplementing your diet with Active Stem or foods that are high in vitamin D may be great foundations to maintain proper bone growth and health for years to come.  


  1. https://www.ncbi.nlm.nih.gov/pubmed/18689389  
  2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3356951/  
  3. Coulston, Ann M.; Boushey, Carol; Ferruzzi, Mario (2013). Nutrition in the Prevention and Treatment of Disease. Academic Press. p. 474. ISBN 9780123918840. Archived from the original on 2016-12-30. 
  4. https://www.ncbi.nlm.nih.gov/pubmed/24494042  
  5. https://web.archive.org/web/20161230002705/https://www.drugs.com/ppa/cholecalciferol.html#target%22pharmacology%22%3C/a%3E  
  6. https://www.ncbi.nlm.nih.gov/pubmed/24494042  


About the author

Shan Carlos