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  1. C

    Any TRT Docs in the Philadelphia PA region?

    Hey guys, I'm looking for a TRT Doc in the Philadelphia PA region? My doctor had retired and I'm with a new doctor that doesn't know what he's doing. I originally had been seeing Dr. Romeo Mariano years back and he tuned me up quiet well. I stopped seeing him because of cost. I had found a...
  2. C

    IM vs. SubQ

    I've always injected IM Test C with a 28g 1/2 syringe. I've just seen the Dr. C (RIP) video. Are T subq injections really just as good, if not better than IM?.
  3. C

    Testosterone Injection Sites

    I've been shooting testosterone for seven years. In that time I've been shooting in both quads and both deltoids. Lately I have developed an aversion to shooting in the quads. Occasionally when the needle is in the muscle, I get a weird spasm and the needle ejects out of the muscle. It freaks...
  4. C

    Switch to Topical T to Bring Hematocrit Down?

    I am currently injecting T cyp. I am kicking around the idea of asking my NEW doctor to switch me to topical T, since my hematocrit, hemoglobin and RBC are so high. I understand the idea of giving blood to lower these levels, but it may not be possible since my platelet count is below range. The...
  5. C

    Hello to All - My Intro & Labs 54.8

    Hello to everyone that maintains this forum and to all that frequent the site. I'm glad I found such a good resource and I hope I will be able to share intelligent conversation that benefits those seeking information. I am a 55yo guy that had testicular cancer in 2002. I felt ok until sometime...
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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