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    Switching From Oral Test to Test Cypionate

    Hello, I tried Kyzatrex at 200mg twice a day for a total of 400mg a day but it only got my total Test to 419. According to their titration guide, I would need 2x200mg twice a day for a total of 800mg a day which becomes cost prohibitive for me. So I have decided to try Test Cypionate instead...
  2. E

    Current Defy Medical Restart Protocol

    Does anyone know what the current Defy Medical restart protocol looks like? The most recent I could find was from 2021: STOP T Cyp BEGIN HCG 500 iu TIW x 2 weeks then stop BEGIN Enclomiphene 25mg by mouth Daily M-F x 12 weeks then stop CONT Anastrozole 0.2 mg twice weekly, discontinue at end...
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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