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  1. L

    Blood work - Do I need TRT/Whats next?

    Oh, wow! What a mistake by me. So I actually have a very decent level of total testosterone. That is a relief for sure. Converting 28 pg/ml to ng/dl and I get 2.8. According to multiple sources I just looked up, it seems that the reference range for FT is 8.0-60 ng/dl. So I would be well under...
  2. L

    Blood work - Do I need TRT/Whats next?

    Good point and interesting take on it. I am going to go for another test soon to confirm the results.
  3. L

    Blood work - Do I need TRT/Whats next?

    Oh, interesting. How crazy I have never seen that study before. Thank you for linking it. The doses these animals received were quite huge though, and as far as I understand it serotonin gets significantly more affected the higher of a dose you take. At my dose (50-60mg per day) I found I had a...
  4. L

    Blood work - Do I need TRT/Whats next?

    For the few years I have had low libido generally, bad erection quality and almost never waking up with a boner. I have also noticed reduced/slowed facial hair growth and increased balding. Although I will say that I don't often get a full 8 hours of sleep and I do not exercise much (if at all)...
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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