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  1. S

    No Drive, Energy...Life-Long Problem...TRT Not Helping

    Sorry for late response, had some issues replying, but solved now. I'm from a small European country, so my options are quite limited. I only really saw improvement in the most general areas - morning erections and some added muscle mass, combined with lost fat. But I don't feel any real...
  2. S

    No Drive, Energy...Life-Long Problem...TRT Not Helping

    Hello everyone! I'm getting desperate trying to find a solution to my life-long problems, so I'm posting this here hoping that maybe someone might give me some ideas and/or solutions. A little back story: I'm 33, but ever since my early teenage years, I had major problems with lack of energy...
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    Strangely high Free T, even though Total T is rather average

    Yes, "prosti" does indeed mean free. 2 months with HCG, before that about a month only on T. T dosage was the same, though. Regarding free testosterone: how is it possible for the assay to be so wrong, though? How can it be possible for the assay to show 4 TIMES the calculated value? I heard...
  4. S

    Strangely high Free T, even though Total T is rather average

    Other results: (sorry for different language, but most names are extremely similar, with the exception of maybe Iron - 'Železo')
  5. S

    Strangely high Free T, even though Total T is rather average

    Oh, I see, I had no idea these can be so unreliable. It actually makes a whole lot of sense. Yes, this is Free Testosterone Assay. Here's a screenshot of the results: 1. They were taken in the morning, on my injection day, right before my injection. 2. See above, hopefully the photo is...
  6. S

    Strangely high Free T, even though Total T is rather average

    Hello everyone! I have been reading these forums quite a bit lately, amazing content with lots of useful information, but now I hope to also get some individual help/answers. I'm 33 and I have been on TRT (35mg EOD SubQ, equaling 122.5mg per week) for 3 months, and on hCG (200 IU EOD, 700 IU...
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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