There are many natural ingredients available to fight depression and Cashew Nuts is one of them which can be consumed regularly to help boost the mood and reduce milder forms of depressions to a great extent. They have the same effect as a popular anti-depressant drug. Being rich in nutrients such as proteins, iron, and omega-3 fatty acids, they also help the body to produce a hormone Serotonin effectively. Cashews are even rich in magnesium which strengthens bones and balances out moods. However, an overdose should be avoided.