Magnesium is an essential nutrient that increases calcium absorption, which means it boosts the beneficial effects of calcium on PMS. Its other functions include regulating muscle contraction and relaxation, regulating blood sugar levels, promoting normal blood pressure, and playing a role in energy metabolism.
A 1999 study in the
Studies support magnesium’s beneficial effect on PMS. For example, a 1998 study in the
There is also some evidence that magnesium supplementation may reduce the frequency and severity of migraine headaches. Two placebo-controlled studies demonstrated a beneficial effect on migraine, while another placebo-controlled study found no benefit compared to placebo.
Foods high in magnesium include buckwheat, nuts, and whole grains, as well as collard greens, dandelion greens, avocados, sweet corn, cheddar cheese, sunflower seeds, shrimp, dried fruit (figs, apricots, and prunes), and many other common fruits and vegetables.