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    1st bloodwork after 1st 7 weeks of TRT - Need Help getting Dialed In

    Hi All - 38M Excited to have my bloodwork back after 7 weeks on TRT (120mg test cyp 1x/week). Overall I feel great, much better than prior to TRT, but still want to refine my protocol. My bloodwork results are below, and labs were taken 8 days after last injection. I have a couple of questions...
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    Need advice on starting TRT

    Hi Guys. Considering starting TRT. I'm 38 with low libido, low energy, and lack of focus. Total T has gone from a low of about 160 ng/dL back in 2013 up to 351 ng/dL last week. HCG monotherapy seemed to move the needle a bit and got me to where I am today (I discontinued HCG about 3 months...
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    HCG Mono - Not the Results I Was Expecting

    37M here, looking for advice on what to do next. Brief history follows. I have had low T for several years now, former opioid addict and Urologist thinks secondary hypogonadism based on LH & FSH). I tried HPTA restart a few years back with Clomid which brought total T from about 160 ng/dL to 250...
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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