dea

  1. Nelson Vergel

    Access of testosterone prescription data by U.S. government agencies

    Most states allowed some form of access by law enforcement to testosterone prescription data through PDMPs (Table). Of the 50 states, 11 (22%) required law enforcement obtain a warrant, 14 (28%) required a subpoena, and 24 (48%) did not require a warrant or subpoena. Nearly every state (92%...
  2. Nelson Vergel

    DEA extends telemedicine prescribing of controlled substances, for now.

    Thanks to the tens of thousands of public comments (over 38,000) submitted by concerned citizens, the DEA will be extending the current rules, first passed as part of the COVID-19 emergency, that have made healthcare more accessible. DEA seeks to temporarily extend virtual prescribing for...
  3. A

    THE DEA to Limit Telemedicine

    The DEA has proposed new rules that could significantly impact telemedicine prescription of non-narcotic medications (Schedule III, IV, and V). These rules require in-person evaluations by prescribing physicians, additional record-keeping, two-way audio communication, and limited medication...
  4. Nelson Vergel

    For Doctors: Prescribing Testosterone and Other Controlled Substances Without Getting Blown Up

    Improperly prescribing any substance can carry criminal implications. Improperly prescribing controlled substances like testosterone will result in criminal implications – to say nothing of what will happen to the offending doctor’s license. With that said, there are medical reasons for...
  5. R

    IOC reaches back 8 years to slam athletes using stored samples

    SECOND WAVE OF REANALYSIS REVEALS BANNED SUBSTANCES IN 45 ATHLETES FROM BEIJING AND LONDON THE INTERNATIONAL OLYMPIC COMMITTEE (IOC) ANNOUNCED TODAY THAT REANALYSIS OF THE SECOND WAVE OF SAMPLES FROM BEIJING 2008 AND LONDON 2012 HAS RESULTED IN PROVISIONAL ADVERSE ANALYTICAL FINDINGS (PAAFS)...
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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