Truth to Nolvadex Causing Up-regulation of Progesterone Sensitvity?

Jimstigator

New Member
Hey fellas,

Somewhat playing on my other thread regarding HGC and gyno... is there any truth to the internet lore that taking Nolvadex/SERMs long term can up-regulate the body's sensitivity to progesterone?

I was on low dose Nolva for the better part of three years. Could the HCG and I am now taking in conjunction with test cyp be causing an increase in progesterone, which is in turn causing some severe gyno symptoms that aren't controlled by an AI, SERM, or Cabergoline? I am no longer on Nolvadex, but that's very recent, and the med is definitely still present in my body.

Thanks!
Jim
 
Appreciate the links! Bit tough for me to understand, but makes some sense. Further, I saw in Crislers Expert TRT slides that Nolva can "increase progesterone receptor density". Hopefully this is the cause of my burning nipples.

Thanks!
Jim
 

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Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

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The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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