New Testosterone Tools Web Site

Testosterone Tools is your personal command center for mastering testosterone replacement therapy through the power of individualized data.

Born from the frustration of one-size-fits-all protocols and outdated medical dogma, this platform empowers you to track, analyze, and optimize your TRT journey based on what actually works for *your* body. Whether you’re dialing in your first protocol or fine-tuning years of therapy, Testosterone.Tools helps you monitor everything that matters—from testosterone and estradiol levels to symptom patterns, medication adjustments, and provider interactions—all in one intuitive dashboard. Stop guessing, stop following cookie-cutter advice from internet forums, and start making informed decisions backed by your own longitudinal data. Because when it comes to hormone optimization, you’re not average—you’re an experiment of one, and your results deserve better than archaic ideology and guesswork.

25% off monthly or yearly subscriptions with code: EXCELMALE


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Nelson Vergel

Nelson Vergel

hCG Mixing Calculator

HCG Mixing Protocol Calculator

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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