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  1. R

    Post-Finasteride Syndrome: Current Views and Where do we Stand?

    Indeed. Nothing anyone would choose but if that's where we are then so be it, game on.
  2. R

    x

    There's no scientific way to test this but I am almost certain my issues are the result of adult accutane use. Is there a specific response to that type of impairment that people agree on or is it just one more variable to throw in the mix?
  3. R

    How to calc Cyp to scrotal cream doses?

    No doubt subject to testing and modification, but you have to start somewhere?
  4. R

    How to calc Cyp to scrotal cream doses?

    I (54M) am currently taking 130 Test Cyp a week but want to try scrotal cream to see if it is better at improving libido symptoms. Currently 130 TC/wk (split 3x) puts me at about the right overall level (trough TT at 1000, free T at 25, E2 sensitive at 34). But I don't want to switch entirely, I...
  5. R

    Testosterone cream applied on genitals

    Can i ask you how you made the switch? What was your substitution ratio? I (54M) am currently taking 130 Test Cyp a week but want to try scrotal cream to see if it is better at relieving libido symptoms. Currently 130 TC/wk (split 3x) puts me at about the right overall level (TT at 1000, 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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