Spinach & Leafy Greens • Pack these Vitamin B-rich leaves into salads, soups and sandwiches, or sauté them with a little olive oil and garlic for a tasty side dish. B vitamins help produce—you guessed it—serotonin, and spinach in particular is rich in folate, the deficiency of which has been linked to depression. Swiss chard, another dark leafy green, can help women fight stress, and its high magnesium content will help you sleep better and reduce PMS symptoms.
