9 Worrying Signs of a Vitamin D Deficiency

Our bodies require quality nutrition to carry out important, everyday functions. One key to better health? Vitamin D. This vitamin boosts the immune system and absorbs calcium to build strong bones, two critical components to optimal health.

Unfortunately, experts estimate that roughly 1 billion people are vitamin D deficient. Read on to learn some of the most common signs you might have a Vitamin D deficiency.

1. Frequent Infections

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If you frequently feel unwell or are constantly fighting infections, a vitamin D deficiency could be to blame. That’s because vitamin D plays a large role in regulating the immune system. To combat this, make sure your diet includes plenty of nutritious foods.

And of course, a weakened immune system can lead to the following…

2. Slow Healing


Noticing frequent slow-healing wounds is another potential sign of low vitamin D. Some researchers hypothesize that this might be due to vitamin D’s potential role in promoting tissue growth and wound healing.

Frequently yawning? Once again, a lack of vitamin D might be to blame…

3. Tiredness


Fatigue and excessive tiredness is frequently linked to a Vitamin D deficiency. One study found that stabilizing vitamin D levels in nearly 200 patients reduced their tiredness.

The following is one of the most unusual signs of Vitamin D deficiency…

4. Hair Loss


Some research links low levels of vitamin D to hair loss. However, experts aren’t 100 percent positive if vitamin D deficiency causes or is a side effect of hair loss.

Vitamin D deficiency can also unfortunately affect your mood, as the next symptom demonstrates…

5. Depression


Research shows many people with depression also suffer from insufficient or deficient Vitamin D levels. As is the case with hair loss, though, experts are uncertain whether a lack of vitamin D contributes to depression or is merely a potential side effect of the condition.

Deep pain may also point to low vitamin D…

6. Bone Pain


In severe cases, vitamin D deficiency can lead to a condition known as osteomalacia. This condition can cause extreme bone softening, particularly when the body does not have enough vitamin D to properly absorb bone-strengthening calcium.

Bone pain is only one symptom of vitamin D deficiency-induced osteomalacia, though, as the next symptom shows…

7. Bone Loss

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Weakening bones can lead to loss of bone mass, eventually making the bones brittle. As a result, fractures may be more common in people with a Vitamin D deficiency.

Vitamin D deficiency doesn’t just cause pain in the bones, though…

8. Muscle Pain


Some people with low Vitamin D report muscle pain. Experts are not 100 percent certain why a Vitamin D deficiency results in muscle pain, although some research indicates that the vitamin may play a role in muscular sensitivity.

Low Vitamin D levels can cause pain in even more areas of the body, too…

9. Lower Back Pain


Experts claim there may be a link between Vitamin D deficiency and lower back pain. If you frequently experience lower back pain, along with other symptoms noted on this list, you might have a Vitamin D deficiency.


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