If you’ve been experiencing depression, you might want to give these foods a try before you seek professional help, though it is important to note that not everyone will find success simply by eating differently. Treat Depression Naturally | The Adventurous Writer Skim Milk – Low levels of folic acid and vitamin B are connected to depression, though doctors haven’t nailed down the exact link. Edamame – Going out for sushi? Order edamame! Commonly found in China and Japan, edamame is baby soybeans served whole. Blackberries – Blackberries, blueberries and strawberries are high in polyphenols, which are a category of flavonoids. Beans, Legumes and Soy – Black beans, soybeans, split peas and tofu are among the “bean and pea” family of foods that fight disease, which makes them a perfect food for depression. Ground Flaxseed – Ground flaxseeds are better than whole flaxseeds because they offer more omega-3 fatty acids, which increase serotonin levels.