Calcium may help relieve PMS symptoms. Pain, cramps, depression, anxiety and mood swings during PMS may all be minimized by ensuring your body has an adequate supply of calcium. It is now widely believed that a disruption in the body's ability to regulate calcium is an underlying factor in the development of PMS symptoms.
The mechanism of exactly how calcium regulation changes throughout the menstrual cycle and why it causes PMS symptoms is still unknown.

Is happy PMS (premenstrual syndrome) possible?
