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Vitamin D & Your Health

Vitamin D & Your Health

Vitamin D  is a fat-soluble vitamin that has many roles in the body, such as helping the body absorb calcium to keep our bones and health and supporting the brain, nervous system, and immune system functions (Holick, 2007; Aranow, 2011). 


Did you know there are different forms of Vitamin D? 

  • Cholecalciferol (vitamin D3) - comes from animal sources like oily fish, egg yolk, liver and can be found as a form of vitamin D in dietary supplements.  
  • Ergocalciferol (vitamin D2) - comes from plant sources such as mushrooms, or fortified food products and can be found as a form of vitamin D in dietary supplements. (Pilz et al, 2018) 
  • Calcifediol (known as the “active” form of vitamin D) is produced naturally by our bodies and found in the blood. This is what is measured in blood levels of vitamin D (Quesada-Gomez et al, 2018). 


Getting enough vitamin D from food alone isn't impossible but it is extremely challenging due to so few foods having enough vitamin D in them, which is why supplementation of vitamin D alongside a balanced diet is so important. (Quesada-Gomez et al, 2018)  


d.velopTM vitamin D is in the ready to use form of Calcifediol. Calcifediol can be absorbed directly to the bloodstream, making it three times more efficient than the vitamin D you are used to seeing on shelves (usually cholecalciferol or Vitamin D3). 



  1. Holick, M. (2007). NEJM. 357:266-281 
  2. Aranow, C. (2011). J Investig Med. 59(6): 881-886) 
  3. Pilz et al. (2018). Front. Endocrinol. 
  4. Quesada-Gomez et al. (2018). 1697-1711 

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