Mushrooms alleviate depression in two ways. First, they have blood-sugar lowering abilities, meaning that your brain receives a steady supply of glucose without dips. This is important because blood sugar spikes may cause irritability and low points. Next, mushrooms increase the survival rate of probiotics in the gut, meaning that they enhance the health of your microbiome which, in turn, helps you produce more serotonin. Add sautéed mushrooms to stir-fry’s for a mood-boosting effect.