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    Labwork help - HCG Monotherapy?

    Hey guys, I recently had some labwork done. 39 year old male, exercise daily, eat clean, plenty of sleep and hydration. Here are the results (Labs taken at 8:45am, fasted) Testosterone, Total: 421 Ref: 249-836 ng/dL Testosterone, Free: 9.39 Ref: 4.5-23 ng/dL Testosterone, Free %: 2.2...
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    New Labs - Starting With Defy, Comments Welcome

    Hi all, Just had some labwork done but my appointment with Defy isn't until June. These results, which were requested by Defy, are from just 100mg/wk Test-E, no supplements or anything else. I just got back to USA so I wanted to get a good doctor on my return, hence why I signed up at Defy. So...
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    EOD Injections - first day is bad, second half of second day feel great. Thoughts on why?

    Hi all, Currently taking 100mg/wk of Test-E. I have it split into EOD injections. On a consistent basis, I feel very angry and irritable, to the point that it is negatively impacting my life and relationships. However, the second half or so of the second day (the evening before I take my...
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    Got an HCG script - no idea what to do now...

    Hi All, I am currently on 250mg Test-E every 2 weeks. I do EOD injections to keep stable e2 levels. I recently got a script for HCG because I just want to see if it works for me or not, rather than wondering. I had to get it from a different doctor because my TRT doctor wouldn't do it, but...
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    How do I know if I need HCG? (already on TRT)

    Hi everyone, I am new to this forum, although I am a member of the ******** page. I have received a ton of help from those guys, but Nelson always recommends we join the website so here I am. My question is how do I know if I need HCG? Seems like a lot of guys take it. My recent labs were...
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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