Some women, because of breast tenderness, find that eliminating or cutting down on caffeine helps. Some studies say that radical sodium reduction is not necessary and may be counter-productive. It has been proven that regular exercising releases endorphins. Endorphins are naturally occurring chemicals in the brain that elevate moods. Even 20 minutes of exercise a day, three times a week running, biking, or brisk walking helps to release endorphins.
Exercise also helps to reduce stress and depression via endorphin release.
Get outside as much as possible, especially on sunny days. On overcast days, or especially during winter evenings, brightly lit rooms can help reduce PMS-induced depression. If possible, exposure to early morning light combined with exercise for 20-30 minutes has been found to be very beneficial. Calcium supplements lessen PMS symptoms such as bloating and irritability. B vitamins and magnesium helps to metabolize estrogen properly through the liver.