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    Experiences using Deca Durabolin or NPP for TRT?

    Hi all. So, I am very sensitive to DHT. Even 125mg TEST E every 6 days gives me bad scalp acne/cysts. I would like to hear from people that have used Deca Durabolin og NPP for TRT. Or maybe a mix of Deca/Test (80/20 for instance) Its could have some benefits, since the Anabolic/Androgenic...
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    How to stop TRT?

    So after a few years on TRT. (125mg Test E E6D) A few years where I felt pretty good. I now have to stop :( Scalp acne is out of control. Painful cysts and nothing helps. Well years ago I was on 2 rounds of Accutane for it and it helped for years. And it has returned again now....For the 3...
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    TRT newbie

    Hi all. For one year ago i had my Testosterone levels tested and they were within normal levels, but in the very bottom. That meant that the free (tax payed) danish healthcare would not treat me even though i had several low-T symptoms. I am in my 40's and otherwise healthy and have been...
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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