Blueberries may be small, but they’re packed full of nutrients like vitamin C and other antioxidants, which help to relieve stress by repairing and protecting the cells. The same goes for strawberries, raspberries and blackberries. Nuts-Those who suffer from anxiety should consider snacking on almonds, as they are a valuable source of zinc, which helps to maintain a balanced mood. They’re also rich in iron, a mineral that prevents brain fatigue, a factor that the Calm Clinic says “can contribute to both anxiety and a lack of energy.” Walnuts are also beneficial for reducing anxiety due to the omega-3 fatty acids they contain. Spinach is a very rich source of magnesium, a mineral that the body becomes quickly depleted in when experiencing anxiety. Magnesium is essential for lowering high blood pressure and regulating cortisol levels, which help the body manage stress. Spinach—as well as other leafy greens like kale, Swiss chard and bok choy—also contains folate, which helps to produce mood-regulating neurotransmitters like dopamine and serotonin.