USP Natural Progesterone – Exactly What Is It And What Does It Do?

USP natural progesterone refers to the progesterone substance that is exactly the same hormone that is made by the human body. USP natural progesterone is not the same as the ‘progestins’ that are synthetic versions of progesterone sold by the pharmaceutical companies. For example, progestins are associated with birth defects while progesterone is necessary for […]