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J Med Food. 2011 Jul-Aug;14(7-8):870-5. doi: 10.1089/jmf.2010.0146. Epub 2011 Jun 1.

The effects of powdered fertilized eggs on depression.

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  • 1Department for Drug Abuse and Psychiatry, Blefjell Hospital, Kongsberg, Norway.


This 12-week, double-blind, placebo-controlled study investigated the effects of fertilized egg powder (Young Tissue Extract; YT®) intake on outcome measures for depression. Fifty-five patients with depression were randomly assigned to receive YTE, YTE plus Melissa officinalis, or placebo for 12 weeks. At baseline, there were no significant differences in scores on the Hamilton Depression Rating Scale (HAM-D) or Beck Depression Inventory II (BDI-II) among the 3 groups. At 12 weeks, the HAM-D scores in groups treated with YTE or YTE with M. officinalis were both significantly lower than those in the placebo group. In addition, both treatment groups showed a significant improvement in depression as measured by the change in HAM-D scores from baseline to 12 weeks, whereas the placebo group showed no significant change. There were no significant differences between the 2 treatment groups. The study indicates that the fertilized egg powder has an antidepressive effect and may be an alternative or adjunct to antidepressive medication for some patients, but further research is necessary.

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