When it comes to hormone health, the terms “progesterone” and “progestin” are often tossed around like they’re interchangeable twins. Spoiler alert: they’re not! These two players in the hormone game have distinct roles, and confusing them can lead to misguided health decisions. Many medical professionals claim progesterone replacement therapy is unnecessary for women without a uterus, but this overlooks the wide-ranging benefits of bio-identical progesterone…benefits that go way beyond uterine health. Let’s dive into the differences, why they matter, and how to navigate the science.