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  1. M

    Problems with Defy and Hallandale Pharmacy

    I've really enjoyed my interactions with the Defy staff, but I've run into some issues with my prescriptions and appointments. After being on TRT for about 6 weeks, I was experiencing very bad bloating, feeling very tired during the day, major nipple soreness, and other symptoms of high E2. My...
  2. M

    Estradiol at 55.8 (range 8-35). What should I do?

    I've been on TRT for about 5 weeks. My dose is 70mg of test cypionate every 3.5 days, 500iu of HCG every 3.5 days, and .125 anastrozole every 3.5 days. Here are results from my recent lab taken right before my next testosterone shot was due: Total Testosterone: 1150 (264-916) Free...
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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