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    Hypogonadism (Low Testosterone) or Depression - How to Differentiate

    There are many common symptoms in depression and hypogonadism, especially those subjective, my question is how do physicians know when hypogonadism causes depression, and when depression causes hypogonadal symptoms?
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    Big doses of HCG periodically vs small doses few times per week

    My doc wants me to take bigger doses of HCG periodically during planned TRT, but what I have read on this forum it's much better to take smaller doses few times per week, how to convince him to it? Secondly, he preffer sustanon once once per 3 weeks for younger guys like me, than enanthate, I'd...
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    Estrogenic effects - always nipples and gaining fat?

    Does elevated estradiol or zuclompihene isomer effects always include gaining fat and nipples sensitivity? My doc hasn't checked my estradiol during 3year clomid therapy, I was experiencing then some unpleasnt effects like mood swings, irritability, depression and I am curious if it could be...
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    Does elevated estradiol always causes weight gain?

    My previous enodocrynologist didn't want me to check estradiol during 3 years of getting clomid, he only tested total testosterone. I found on this site, that during clomid therapy physican should track estradiol levels. I was told that with elevated estradiol I would have issues with gaining...
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    Did you have young appearance before going on TRT

    I've always looked younger than I actually were, I'm just curious if you guys also had young apperance before going on TRT, I noticed that some men who started taking testosterone started also looking older. Thanks for replies
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    Switching from clomid to test. - why so long waiting

    Hello everybody, it's my first post on this forum:) I would like to ask, how long should I wait for blood tests and semen analysis after quiting clomid, before starting taking testosterone? My endocrynologist said me that I have to wait 3 months, because although half life of clomid is much...
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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