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  1. T

    Do any providers still offer HCG or have they all switched to Gonadorelin?

    My clinic has had some challenges in allocating HcG. Empower has stated shortages, and now we transitioned to using a different pharmacy due to this ongoing problem. It has made providing optimized services, particularly to fertility patients, a challenge.
  2. T

    Sensitive E2 in the 100’s

    Playing devil's advocate, FYI I'm not totally against AI use, and certainly, your use is responsible, and a protocol I would approve of with my patients, if they were strongly in favor of lower their E2. Couldn't I argue that inhibiting aromatase through use of a medication is also "not...
  3. T

    Sensitive E2 in the 100’s

    Do you generally favor not using HcG when starting TRT, in the context of a non-fertility desiring patient? I am starting to think perhaps this is more desirable in this patient base. The E2 issue continues to be challenging, it is good to at least get some input that perhaps, it is not crazy...
  4. T

    Sensitive E2 in the 100’s

    Thanks for the response! Yes HcG use in both men. One is young, and desiring fertility. So he needs HcG, and is using 500 IUs three times weekly. The other also is using HcG, 500 IUs twice weekly. I have routinely started men on both test cyp and HcG, and maybe in the non fertility crowd, I...
  5. T

    Sensitive E2 in the 100’s

    Was looking for input from some of the moderators/experienced users. I work in hormone optimization/peptides/ED management/primary care. First, huge thanks to this forum, Nelson and others who have been instrumental in advancing my understanding of TRT and how to engage in optimization versus...
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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