Progesterone, a naturally present female sex hormone, acts as the main substance in this progesterone sustained Release Capsule. It is used to treat diseases associated with pregnancy and menstruation caused by hormonal imbalance. This progesterone sustained release Capsule is also given in combination with estrogen to prevent endometrial hyperplasia, hormone replacement treatment. It is best consumed following a meal. Take it every day at the same time to receive the maximum benefit. As directed by your doctor, you can continue taking this medication.