It has strong estrogenic properties, and as a result is the most important element when nutritionally treating menopausal symptoms, menstrual problems, osteoporosis, and postpartum depression, for which manganese, along with Vitamin B1, is most effective. Manipulating manganese levels can be an effective way to delay, or hasten menopause, trigger the menstrual cycle again after starting menopause, or along with iron and iodine levels, affect the frequency, duration and heaviness of the menstrual cycle... Full Text