It's a bit different to 11-oxo. 11-ketotestosterone is the active compound that 11-oxo converts to. More information: 11-Ketotestosterone - Total Flex Blog and An Introduction to 11b-HSD1 Inhibition - Total Flex Blog
PCT is up to you, and how high you run it. Lots of people used OTC or no PCT for PA's spray.
It's $48 from our website or closer to $40 from some of our retailers.