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nightsurfer on 2009-11-29Effects of vitamin D supplementation on symptoms of depression in overweight and obese subjects: randomized double blind trial.
Jorde R, Sneve M, Figenschau Y, Svartberg J, Waterloo K.
J Intern Med. 2008 Dec;264(6):599-609. Epub 2008 Sep 10.
Conclusions. It appears to be a relation between serum levels of 25(OH)D and symptoms of depression. Supplementation with high doses of vitamin D seems to ameliorate these symptoms indicating a possible causal relationship.