optimal testosterone

  1. M

    Low T, Cryptorchidism, i want optimal

    I am 41 years old. As a young child i suffered testicular damage which actually displaced one of my testicles. I had to have surgery to have it moved back into the scrotum. I'll bullet point this to save wasted words... - Puberty, despite being skinny and playing sports, got developed-boobs. -...
  2. D

    Where to get Testosterone prescriptions?

    Been on TRT for almost two years. It's been life changing. I take .9 to 1cc per week of Enanthate injected. Took a while to dial it in, but 800 to 1000 seems to be the sweet spot for me. Then primary care physician retired, new guy want's it to be below 750. "Don't care how you feel, it's too...
  3. Systemlord

    At what Free T level do you feel optimal?

    As the thread title says, I want to compile a consensus and see at what Free T levels our members feel optimal. Please specify if levels are at trough, midpoint or peak. Also detail protocol and time of lab testing in relation to your injections. These poll questions are for Free T only either...
  4. S

    Starting over after 20 years, requesting your advice for T Therapy (& HCG) with new endo

    Hi, I would appreciate your knowledge and personal experience and insight to assist me to feel my best. I have been on T Therapy for over 20 years originally diagnosed with hypogonadism-testicular hypofunction. I am a 61 year old male. Most recently I was on 125mg Test Cypionate injections...
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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