letrozole

  1. M

    HELP!! Horrible effects from letrozole months later.

    Hello everyone, Desperate for some help. I’m 23 years old. I’ve been bodybuilding for 8 years, and started competing at 21. I was prepping to compete at nationals this summer before everything went wrong. I was on a test only cycle around June and started to get some gyno symptoms. All I...
  2. N

    Letrozole overdose

    An endo prescribed me letrozole 5mg twice a day and cialis for my weaker erections without checking my blood levels (which I think were completely normal and the was placebo). I consumed 150 mg of letrozole in 15 days as prescribed and got hit with bunch of sides like Penile shrinkage, erectile...
  3. C

    Estrogen receptor damage from AI

    Hello, does any one else here at the moment runs in the same problems as me? I’ve been trt for about 4 years now, and used about three years aromatase inhibitors, letro arimidex and aromasin, i’ve been used them all, and always caused me crushes e2 symptoms when i took them even while my e2 was...
  4. M

    letrozole dosage

    My Doctor just started me on letrozole and doing some reading on this site I think there was a mistake in my dosage. I’m a low SHBG guy and my last E lab was in the upper range of normal at 44. But I have not been able to lose any weight with diet and exercise, I’m currently 6-0” tall and weight...
  5. C

    Is This Gyno? How Should I Eliminate It?

    I think I have gyno type 1. I was extremely fat and I ve never taken *****. I ve attached some pics with my progress.. Do you think Arimidex 1mg/day for 30 days is better than Tamoxifen 40mg/day for 30 days? I saw on the internet that after using taxomifen, fat is deposited on the hips and on...
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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