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  1. A

    A not so brief history

    Makes a lot of sense. Test should take around 40 days to stabilize, according to my calculations between my first injection and the last full blood test 21 days passed. So yeah, it should be higher now. This how I plan to continue: This week: I already shoot 125mg in monday, so no more shoots...
  2. A

    Manage E2 without sensitive test.

    When trying to dial in, how often do you make changes? I try to do 1 change every 2 weeks, at most. And how big of a change?
  3. A

    Manage E2 without sensitive test.

    A general question: Why all the preference for high estradiol instead of low? I understand that crashing it is an absolute nightmare and living in hell. But it’s not permanent, on the other side gyno it actually is and you need surgery to really cure it.
  4. A

    A not so brief history

    It was before Anastrozole. From my point of view it was when I change from IM to Sub-Q and at the same time from 250 once per week to 125 x 2/wk. It would be around that blood test, I was feeling weird around the nipple area a little puffiness, so I change to sub-q for a week while I searched...
  5. A

    Manage E2 without sensitive test.

    The symptoms: It started with a kinda itchy / kinda little pain in nipples. A lot of oiliness all over, especially shoulders and face (need to wash my face 3 to 4 times a day), with increasing acne. Feeling tired, needing to sleep + 10hs a day. Really weird and incredible strong cravings, some...
  6. A

    A not so brief history

    Hello people So here is the history of my journey: On november 2017 I went to the doc, the symptoms where extreme fatigue, really extreme. The doc order some blood samples and everything was perfect, most solid health he has ever seen, so he gave me some vitamins. I took the vitamins and went...
  7. A

    Manage E2 without sensitive test.

    Hello, Basically: there is no sensitive E2 test in my country. Last week I did two blood tests for e2 in two different labs, the difference was WAY too high. First test (CLIA, no electro): 47 pg/ml <80 pg/ml Second test (ECLIA): 81.8 pg/ml 25.8-60.7 pg/ml Both where on the same...
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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