retrospective srudy

  1. J

    When TRT Fails

    Men with more comorbid conditions are more likely to report TRT has failed to help them. This implies taking other measures to improve your health along with TRT is more likely to produce a good outcome. Chief amon these are a healthy diet and exercise, but may also include other medical...
  2. J

    Is Hematocrit of 54 Justified to Modify TRT?

    An asessment of the issue of hematocrit increase after testosterone therapy and whether current guidelines are justified. The abstract is online and the full paper can be downloaded from the link. The conclusion is: "Testosterone therapy (TTh) can effect an increased hematocrit via poorly...
  3. J

    Testosterone Therapy Does Not Increase Risk After Heart Surgery

    Examining records of cardiac surgery at the Cleveland Clinic found no increased incidence of cardiac events after the surgery for men on testosterone therapy. The summary says: "Among 20,604 patients who met inclusion and exclusion criteria, 301 patients who used testosterone routinely within 1...
  4. J

    Mortality Three Times Higher in Anabolic Steroid Users

    A study of steroid users at Danish fitness centers found increased use of hospital services as well as increased mortality over a seven year period. The abstract says: "In this retrospective matched cohort study, 545 male subjects tested positive for AAS in Danish fitness centres during the...
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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