Dark Chocolate Not only is it delish, dark chocolate is high in magnesium, a mineral that calms your muscles and reduces anxiety. It also contains tryptophan, which helps reduce symptoms of depression. Salmon... ...and walnuts-these foods are packed with omega-3s, which help fight off depression and mood swings. Bonus: They can also help improve your memory and focus. Spinach This leafy green is stocked with folic acid, a B vitamin that has been found to boost your mood. It's also an antioxidant that works to protect your brain cells from free radicals, which can lead to low energy and mood swings. Chicken This white meat contains B12, a vitamin that helps calm your bod (on the flip side, low B12 levels can make you moody and tired). Tofu Sure, noshing on a bar of tofu isn't exactly tasty, but it tastes great in soups and stir fries. And tofu helps your muscles relax, allowing you to chill out. Avocado This yummy green veg contains serotonin, a feel-good neurotransmitter. It's also really good for your skin, hair, and nails... Greek Yogurt Not only is it a wonder-food, the probiotics in Greek yogurt help boost your mood-and immune system. Green Tea It's full of theanine, an antioxidant which acts as a calming agent. Berries Blueberries, strawberries, and raspberries contain anthocyanidins and anthocyanins-nutrients that help reduce stress and depression. Source