stilbestrol

  1. haidut

    Pregnenolone Is A (functional) Estrogen Antagonist

    About 2 years ago I posted a thread on the antagonism of pregnenolone to estrogen. Pregnenolone Is An Estrogen Antagonist That claim was from a study, which itself referenced an old French study from 1950. I asked @burtlancast to find it and he was able to trace it to a hardcopy of the French...
  2. haidut

    Pregnenolone Is An Estrogen Antagonist

    This has been stated by Peat a few times but usually the assumption has been that pregnenolone converts into progesterone and that is how it exerts its anti-estrogenic effects. This older study claims that pregnenolone (also called delta-5-pregnenolone) is directly antagonistic to estrogen...
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