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# Depression linked to low levels of vitamin D in the blood
- URL: https://www.foodconsumer.org/220820090142_depression_linked_to_low_levels_of_vitamin_d_in_the/
- Published: 2009-08-22T13:41:00.000Z
- Updated: 2026-09-22T15:53:52.000Z
- Description: A study of 527 Japanese municipal employees found that in November, people whose serum vitamin D fell in the highest quartile were 49 percent less likely to report depressive symptoms, with the strongest link for severe depression. No association appeared for July.
- Author: Food Consumer
- Tags: Vitamins, Nutrition, #vivvo-import

David Liu ([davidl@foodconsumer.org](mailto:davidl@foodconsumer.org))

Depression may be triggered by low vitamin D levels in the blood, according to a new study published in the Aug 19, 2009 issue of European Journal of Clinical Nutrition.

The study led by Nanri A and colleagues from International Medical center of Japan in Shinjuku-ku, Tokyo, Japan found that in November, people with their serum levels of vitamin D falling in the highest quartile were 49 percent less likely to feel depressed.

The study involved 527 municipal employees aged 21 to 67 who worked in two municipal offices in Japan. It was meant to examine the association between vitamin D deficiency and depression.

Nanri and colleagues found in Winter, high levels of vitamin D were associated with low risk of having depressive symptoms.

The association was particularly strong for severe depression.

However, no association between vitamin D and depression was found for the month of July.