Does Vitamin D Play a Role in Depression? A Review of Clinical, Epidemiological and Biological Studies

ISSN: 2212-3881 (Online)
ISSN: 1573-4013 (Print)


Volume 10, 4 Issues, 2014


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Undurti N. Das
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OH 44120
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Does Vitamin D Play a Role in Depression? A Review of Clinical, Epidemiological and Biological Studies

Author(s): Goran Hogberg, Per Bech, Tore Hallstrom and Maria Petersson

Affiliation: BUP Huddinge, Paradistorg 4, 141 46 Huddinge, Sweden.

Abstract

There is a growing interest in the possible associations between vitamin D and depression. In this mini-review we present diagnostic criteria of different depression scales, with special focus on somatic complaints, possible links between depression and vitamin D and an overview of studies on vitamin D levels / vitamin D supplementation in depressed patients. We observed that complaints of a somatic character, potentially linked to vitamin D deficiency, are important parts of the diagnostic assessment in depression. Depressed patients often had low levels of vitamin D, and seven out of nine large (n>1000) observational studies showed an association between vitamin D levels and depression. Five studies of vitamin D supplementation in depressed patients with vitamin D deficiency showed significant reductions in depressive symptoms post-supplementation. However, only two of these studies were randomized controlled trials, and one of them had only 15 subjects. We recommend that depressed patients should generally be screened for vitamin D deficiency. Aside an increased risk of impaired bone health, individual patients may have symptoms of depression related to potentially deficient vitamin D levels. However, further randomized controlled studies of the effects of vitamin D supplementation in depressed patients are needed.

Keywords: Vitamin D, depression, observational studies, clinical trials.

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Article Details

Volume: 10
Issue Number: 1
First Page: 16
Last Page: 28
Page Count: 13
DOI: 10.2174/15734013113096660010
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