Cyproterone Acetate is a Progestin and potent Anti-Androgen. It functions by inhibiting the creation of Androgens, competitively binding to Androgen Receptors, and Hypothalamic activation.

Cyproterone has been shown to be fully effective at doses as low as 10mg/day. If taking Cyproterone consider reducing your dosage to reduce risk inline as recommended by this new research.

Siterone is the brand name for Rex Pharmaceuticals's Cyproterone Acetate pills and can be safely mixed and matched with any other brand of 50mg Cyproterone Acetate pills.