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      We are the industry leader of progesterone such as tetraenoestrone, professional research institute, primary source, the best price, the highest quality, the most professional production team.We have been exporting this product for many years.

   What is Progesterone?
       Progesterone (P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. It belongs to a group of steroid hormones called the progestogens, and is the major progestogen in the body. Progesterone has a variety of important functions in the body. It is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid.

In addition to its role as a natural hormone, progesterone is used as a medication, for instance in menopausal hormone therapy.