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  1. B

    Is there any reason HCG could be making someone feel bad besides E2?

    Just curious if there is a pathway for this to be possible, or if it's always related to E2 and it's swings. I have seen threads where guys drop it from not feeling well but many of them had problems controlling E2. I feel better when I initially add it, but then it seems like E2 goes high. I...
  2. B

    Do higher test levels not always equal a better libido?

    This is so counter-intiuitive to me but I've seemed it claimed on here before. Now sure - if E2 is out of whack or your test is so high that its doing damage, I get that. But why do guys say their libido suffers just from having higher T even when everything else is in range? Like for example...
TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

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.

Free Testosterone

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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