Vitamin D

Vitamin D is used to help regulate the amount of phosphate and calcium in the body. These nutrients are needed to keep skin, teeth, muscle, and bones healthy as well as for a strong immune system. Vitamin D is also important for your mental health as a vitamin D deficiency is linked to depression.
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Reasons for my level to change:

The body is able to create all its vitamin D needed when the skin is exposed to the sun light. During winter and autumn, it is very common to have a lower vitamin D level due to a lower sun exposure. This can put you at risk of developing a deficiency. Although it is possible to get vitamin D from foods like fish, egg, beef, or liver, it is hard to get enough this way. Some individuals might also be at a higher risk of developing a deficiency if they:
  • Are elderly
  • Stay indoors a lot
  • Are always covering their skin from the sun
  • Are always wearing sunscreen
  • Are vegan or vegetarian
  • Have a darker skin tone

When should I get tested?

Not getting enough Vitamin D to stay healthy can cause fatigue, muscle, and bone pain, and can pose a greater likeliness of illness. In particular it was found that the most common symptoms of a vitamin D deficiency include:
  • Tiredness
  • Getting ill often
  • Aching joints and bones
  • Poor wound healing
  • Depression
  • Weak muscles
  • Weak bones (which increases your risk of osteoporosis)
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