When the level of vitamin D in your body is low or deficient, it can cause many symptoms of chronic disease. This is because vitamin D deficiency affects your bones, immune function, and insulin levels.
Exposure to sunlight is actually the most effective way to receive vitamin D and the easiest way for your body to absorb it. Vitamin D functions as a hormone, and when the skin is exposed to sunlight, it uses cholesterol in your body to make the vitamin. You have to leave off the sun protection lotions for 10-20 minutes to get the benefits, as it will not be able to absorb past the lotions.
You can take supplements to assist in bringing up your level, but they are harder for some people to absorb into their cells. If you’re having trouble getting enough vitamin D, this is how you can tell.
20. Frequently Sick or Catching Every Cold or Flu
If you are getting sick often, then your immune system does not have enough vitamin D to fight off these bugs. Studies have shown a link between low vitamin D levels and respiratory tract infections, like colds, bronchitis, and pneumonia.
19. Excessive Fatigue
Yes, fatigue could mean many things, but if it happens all the time it could be low vitamin D. Studies have found that many pre-menopausal women with extreme fatigue have a deficiency in vitamin D.