- Reaction score
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I don't know but many MtF's use progesterone to lower testosterone levels and unfortunately, in the attempt to increase breast size which is an MtF obsession that rarely or never works. You are right about them being neutral at least when used with estrogen but that Dr. Will Powers recommends their use on face and breasts and possibly hair. My view is that there are too many other meds that definitely work.All I know is that if you use progestin based steroids you basically nuke your test levels so I have no idea about CPA, I don't touch the stuff.
But with for example Trenbolone which is a progestin based steroid, if you don't take it with testosterone in tandem, your testosterone levels are likely to get nuked, so I can only presume that it will also antagonize estrogen levels. That's about the only analog I can offer you, all I can say is that I would personally prefer to have a slightly higher estrogen to progesterone balance personally for the sake of hair growth, but I think nuking progesterone to nothing is probably not a good idea either.
Why do I use 300 mg of progesterone ten nights a month? Because @bridgeburn did and the capsules only work at levels about 200 mg unless used rectally but it gets worse. These capsules are multi-colored in bright orange and red and make a mess even if you just pass gas. I assume the ten days cycle must be related to lunar cycles but I haven't researched it much. I just read on all of the MtF boards that 100 mg oral was essentially inactivated by the liver so either higher oral levels or rectal supplementation was needed. I don't think anyone needs it but I try to test different things for sides and marginal changes so others might not have to.