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    Test dosage in relation to HCG?

    Hello, I wanted to ask if the test dosage has to be lowered when HCG is added into the protocol? While researching before I post a question I came across this in the sticky "testosterone side effects management table" Testicular atrophy · Human Chorionic Gonadotropin (hCG)– One 2,000 unit...
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    Re-visiting TRT after 1 year off

    Hello good people need your advice slight long read I have struggled with TRT trying to get control on my estrogen and other markers and failed/got frustrated, had ED and dropped TRT and I thought i will recover recover after 1 year. Within this time i did much more education Quick BG: 38yrs...
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    37yr - 16weeks TRT blood test, help

    Hello All, A quick re-cap WIth a clean full year from any steroid I test around low 300 for TT. I went with SubQ trt 100 - 120 / week (50/60mg twice a week) Below are the results after 16 weeks. I noted that my erections were gone on TRT towards the end, Sensitive nipples (high estrogen...
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    How much oil max SubQ

    Hello good people, What is the max recommend amount of oil (ml/cc) that can be taken SubQ with least risk of infection or trauma and bruising. I am fairly lean all over except lower abdomen area so SubQ is not an issue. My regiment is EOD 40mg with Prop. Prop is pharm grade and dosed at...
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    When to take blood test?

    hi, Been on TRT for 4 weeks now 40mg prop eod (total 140mg weekly). I do this IM with a slin pin. And HCG 150iu EOD subq. When should I do the blood test to find out my trough and peaks? THe same question as above if this was enanthate or cyp ester done EOD. Will that change the time? I...
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    Help me understand BW

    Hello All, I have been doing a lot of reading and decided to introduce myself and my recent BW. I am 37 years of age working out since my teens. Otherwise healthy play squash etc or so I thought. The reson I ventured into looking at TRT is because my injuries are taking longer to recover, I...
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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