Does Vitamin D deficiency cause depression?

Vitamin D is a vital nutrient. It promotes healthy bones, cell growth and the immune system. It is sometimes called the “sunshine Vitamin.” Your body can produce this vitamin on its own, or you may choose to take supplements.

Studies have shown that a lack of vitamin D in the body can lead to depression. This article will examine the possible links between depression and a lack of vitamin D.

Vitamin D and Depression

Many studies and researches on the correlation of Vitamin D with depression have noted that people with depression often experience low vitamin D levels in their blood. There is a high probability that the two factors are linked. Studies have shown that low levels of vitamin D in pregnant women are strongly related to postpartum depressive disorders. Postpartum depression is a type of depression that occurs after a woman has given birth.

Research has also shown that low vitamin levels may be associated with depression among patients who suffer from gout or chronic spinal cord injury, as well as multiple sclerosis. Several studies have shown that people with depression who take vitamin D supplements show improvement. These studies have not explicitly stated this benefit.

In a high-quality study, which involved over 18,000 depression sufferers, it was found that taking 2,000 IU of Vitamin D per day for five years didn’t necessarily result in significant changes to depression scores compared to taking a placebo. Some studies stated outright that there was no effect when depression patients took vitamin D.

Due to the different results from these studies, it is necessary to conduct more research to properly determine the link between Vitamin D deficiency, and depression. These studies must also examine how these supplements impact the symptoms and signs of depression.

Factors that can lead to Vitamin D deficiency

Lack of sun exposure and age are factors that can cause a patient to have low levels of vitamin D.

  • Limited Sun Exposure

Vitamin D is mainly obtained from sunlight. Supplements are not recommended. When you limit exposure to sunlight, you are limiting your exposure to vitamins that your body needs, which can cause vitamin D deficiency.

You should be aware that the amount needed of exposure depends on local weather, time of day and time of year.

  • Diet

There are some natural sources of Vitamin D, even though not many foods contain it. You can take:

  • Mackerel
  • Salmon
  • Fish liver oils
  • Animal oils


Vitamin D is an essential nutrient that our bodies need to maintain mental health and fight depression. Low vitamin D levels have been linked to depression in some studies. Other studies, however, have shown that supplementing our bodies with these vitamins can also help improve depression symptoms.

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