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  1. M

    unintentional weight loss/inability to gain weight

    so long story short, 21 year old male who's been on trt almost 10 months sustanon 125mg weekly split to 2 shots, hcg 250iux2 week. i've always been very skinny/skinnyfat guy but last couple years when all symptoms started (fatigue,general weakness, throbbing/pressure feeling in head, weird...
  2. M

    Miklu's Labs

    so i would like some advice and opinions about my labs, i'm going to update these when i get more bloodwork done. i'm 20yo, not on trt or thyroid meds. i saw my new doctor first time last monday who is specialized low testosterone and thyroid patients and told me to get some labs done and then...
  3. M

    Greetings from Finland!

    I'm 20yo, suffering from low testosterone and possibly hypothyroidism so i'm really happy to have found a site like this one! posting labs as soon as i get them.
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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