Wassen magnesium ok 30 tabletsmagnesium ok is designed to give nutritional support during the monthly cycle research has shown that a natural magnesium supplement such as magnesium ok could reduce premenstrual mood changes significantly improve symptoms associated with fluid retention including weight gain and bloating and help treat pmt and premenstrual migraines recommended dosage one tablet a day to be swallowed with liquid if required after food a regular course is recommended i