How does vitamin D help the body?

How does vitamin D help the body?
Jun 9, 2015

The most conclusive information about the role of vitamin D comes from evidence in bone and teeth development. Vitamin D helps the body use calcium and phosphorus to build and maintain healthy bones and teeth. It helps our bodies absorb calcium/phosphorus from the food that we eat. Vitamin D works hand in hand with other nutrients for bone health and is essential for calcium uptake.

Bones, teeth, and skeletal muscles

Vitamin D promotes the growth and maintenance of healthy bones and teeth. Vitamin D is important in supporting a healthy skeletal system by:

  • Decreasing the risk of developing soft bones, deformity, and fractures known as rickets in children and osteomalacia in adults
  • Helping to maintain healthy bones in adulthood. Osteoporosis involves reduced bone mineral density, and is characterized by broken bones (especially hip, wrists and spine)
  • Allowing the absorption of calcium and phosphorous to build strong teeth, especially the enamel which is actually the hardest substance in the body
  • Muscles contain vitamin D receptors. Muscle strength and function have been linked to vitamin D[i]

What about vitamin D in other areas?

Research suggests that there could be an association of vitamin D with other functions in the body. There are many different types of tissues in the body that contain vitamin D receptors (VDRs) and would therefore have the ability to respond to circulating vitamin D in the body[ii].

There are different opinions about the importance of vitamin D as research continues to look at the extra-skeletal functions of vitamin D. More evidence is needed to say definitively what role vitamin D plays throughout the body. Studies continue to look at relationships with vitamin D and immune regulation, promotion of cell differentiation, and regulating cell growth. Areas of active vitamin D research include pregnancy, cardiovascular, and brain function.

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About the author:

Susan Jankus | Ddrops

Susan works in our marketing department, but she is a science geek at heart. She has degrees in biology and pharmacology and love researching scientific content. In whatever spare time she has, Susan is trying to keep up with her teenage kids and sneaks out for walks with her dog, Sugar.

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