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  1. M

    Aromasin

    No, my last appt with doc my E2 numbers wernt close to range low. Ie my T was 16nmol (460ng/dL), FT 0.55 nmol (16ng/dL) and E2 100pmol (27pg/mL) he was happy to move me onto 6 monthly reviews. I continued getting bloods to check for my own learning / understanding until I get the confidence...
  2. M

    Aromasin

    bare in mind im a noob to this, I haven't explored without HCG, mainly because im still settling into the protocol and my Dr is quite keen on the hCg use and I wanted to try it, I liked the idea of mimicing LH and keeping intra testicular testosterone production, especially if im in this for the...
  3. M

    Aromasin

    Hi Folks, My current protocol is 8.75mg cyp daily, 100iu hcg daily, all subq, and 6.25mg aromasin every 4 days, that gives the below. Do you think its time to maybe try drop the AI? Am I right in thinking the AI half life of aromasin is 24hrs, so if I stop and do bloods in 2 weeks, is that...
  4. M

    Baseline bloods - TRT or not to TRT

    I'm unaware on the impacts, prior to those tests I didnt ride for a month as I believed the opposite to be true, i.e. fitness > testosterone. So I wanted a sedentry based test results.
  5. M

    Baseline bloods - TRT or not to TRT

    Hello, I'm 39yo male, UK based. 71kg, shorty at 5ft6. 12 years ago blood tests from my docs revealed low T at 8.5nmol/l, was referred to specialist and said it was low normal within the NHS so all ok. 12 years on to present, wife said I was more irritable than normal and I noticed my...
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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