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  1. R

    What questions to ask to a new testosterone doctor

    Okay, I was able to email the FNP today a question that Nelson mentions in the Sticky on how to speak to a physician the first time. Here is the question followed by the FNP's reply. His remarks are largely over my head, so I'd appreciate any comments. Is he totally off base? Is he worth...
  2. R

    What questions to ask to a new testosterone doctor

    Thanks, everyone. I'm 60, and definitely have symptoms of low T. I've just discovered a urology group who claim to administer hrt, so, there's another possibility. I'm thinking I'll skip the women's clinic, and see what the male FNP knows, as well as the urologists. If neither pan out, I'll...
  3. R

    What questions to ask to a new testosterone doctor

    I will be meeting with an FNP to discuss HRT. He was referred to me by a local 66-year old bodybuilder who gets his testosterone cypionate from him. I don't know what else the FNP knows about HRT, but I'll find out. I will also be meeting with a female FNP at a women's health clinic, since...
  4. R

    Hello from southern Oregon.

    I was unaware that insurance is an issue. I carry federal Blue Cross
  5. R

    Hello from southern Oregon.

    My name is Jim, and I am a 60 year old. I work out 5 days a week at the gym, and feel that it's probably time to have my hormone levels tested. My primary physician will not check my testosterone levels, as of my last check-up a month ago. So, I must look elsewhere for another physician who...
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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