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    Is estradiol 32 high enough to consider AI? Reference range 8~35

    Hi guys, I got my blood work back and posted the results in my previous post. The number seem good except that my E2 sensitive is at 31.5 with reference range 8~35. The blood work was done one day before an injection and I do 2 injections a week. So I guess my E2 is probably kinda stable...
  2. I

    8 weeks on TRT. Good numbers (except E2) but often feeling more tired

    Hey guys, This is my 8th week on TRT. 4 weeks ago, my doctor switched my protocol to 150mg T injection and 1000iu HCG injection every week. I split the dose to 2 times a week. Just got my blood work results which was done one day before an injection. Seems to me that all the numbers are good...
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    How soon to feel a difference once HCG is added?

    Hi guys, My T was increased from 280 to 290 after 5 weeks TRT without HCG. My E2 was also low. I was on 100mg/week protocol. My urologist decided to add 1000iu/week HCG to my protocol and increase T injection to 150mg/week last Tuesday. I got my first 500iu injection on Wednesday and the...
  4. I

    5 weeks on TRT, still low on T and E2

    Hi guys, My T level prior to the TRT was at ~280. So I have been on 100mg/injection, 1 injection/week for 5 weeks. I injected on last Monday and got the blood work on last Friday. Some of the results and reference are as follows: Testosterone is at 295, 264 - 916 SHBG is at 20.7...
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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