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    Testosterone Quality Issue?

    Hello: I wasn’t sure where to post this but with some recent labs I am wondering about the quality of my compounded testosterone cyp. I had been using an expired vial until February and was doing fine. I had a new prescription and during the next few weeks after starting I began to feel not so...
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    Testosterone Side Effects after one year.

    Hello, I haven't posted here I don't think but last week I started having horrible insomnia after about one year of test cyp at around 80 mg/wk with a few adjustments. I inject eveyr other day. I did notice a few months ago more aggression, irritability, combativness, being sorta hypersexual...
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    Dose Adjustement

    Hello: First time posting. Very informative TRT site! I started TRT over year ago and settled on EOD injections about 5 months ago (changed from cream). Seemed to be doing well then I doubled my blood pressure medication (amlodapine) and noticed lots of side effects and feeling unwell. Cut...
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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