Me?
Although I'm not the OP nor trying to start an argument with you, I assure you I am quite dialed in, know exactly what each component does to me, individually as well as together, and am quite pleased with the results of the combination and levels each I am taking. Thanks though. Just sharing my results in effort to answer OP's question. Now, as far as taking medical advice from internet forums and googles:
The Vit D, Cialis, and DHEA were prescribed/recommended by my
Defy Doc (also on HRT).
The supplements L-Citrulline (powder) and pycnogenol are pretty well documented when taken together for helping with ED and generally just being a good nitric-oxide-boosting mixture but some info can be found
HERE (
Treatment of erectile dysfunction with pycnogenol and L-arginine - PubMed) - I did replace the terrible awful nasty L-Arginine for L-Citrulline which I read has a similar function but not only tastes better but also is better tolerated. (no resource for the latter statement) As stated above - these two supplements work together to keep me semi hard most of the day and make it incredibly easy to go from there to full hard.
The Pygeum has some sort of interaction with the cowpers gland (learn what that is
HERE A neglected gland: a review of Cowper's gland - PubMed) but I am also lacking a resource for the mechanics of the interaction. As stated above when I take this I produce precum - I am not a producer of precum normally, never have been.
Not recommending anyone take these or suggesting they might see results from these if taken. Not a doctor, do not play one on tv, and didn't stay at a Holiday Inn last night.