A recent study published in the European Journal of Clinical Nutrition suggests that zinc “supplementation may be effective in reducing anger and depression”.
This study by T Sawada, K Yokoi, provided 30 women with a daily multivitamin. During the ten weeks, half the women received a multivitamin only while the other half received the multivitamins plus [...]

A 2009 research study showed that there is a correlation between perinatal depression and low levels of certain key nutrients. The study showed that there are links between low levels of folate, vitamin B12, calcium, iron, selenium, and zinc, and mood in general. Post-Pregnancy-Depression can be attributed to the depletion of those key nutrients.
“Perinatal depression: prevalence, [...]