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  1. O

    E2 labs Quest vs Labcorp Insanely different results!

    I've been having libido issues after many successful years on HRT. I want to narrow it down if it's an E2 issue or dopamine desensitization. Anyhow few months ago Quest labs my E2 was 36 which is way high for me! I thought it may be a fluke. Then I recently did Labcorp and it says my E2 is...
  2. O

    Libido good pre/post TRT- Years later crashes

    It's lack of desire for sex (and other previously enjoyable things like MMA or hard core heavy lifting that I've been Doing for 30 years- so some of it I thought might just be being in my 40s but now I wonder if it's dopamine desensitization). So I lack the desire for sex, and when in in a...
  3. O

    Libido good pre/post TRT- Years later crashes

    I'm gonna see my doc to get new labs done in a week, hoping to find a list of what's most thorough to have checked while the insurance will pay for it. Then if I can't figure this out maybe I need to do a consult with Mariano or Crisler. I can't keep going on living like this.
  4. O

    Libido good pre/post TRT- Years later crashes

    Protocol 200mg t weekly 250iu hcg 3x week 1mg adex 3x week 3iu HGH daily. Most recent labs : TT 826, FT 225, Estradiol 30 (highest its ever been that I recall) Next most recent : TT 833, FT 253, Estradiol 25 One before that : TT 947, FT 198, Estradiol 21 how do I tell which estrogen test...
  5. O

    Libido good pre/post TRT- Years later crashes

    Thanks guys. Still getting hang of this forum so I apologize for any delays or mishaps. I'm so grateful for the quick responses. Yes higher arimidex than most. Back when I started we started .5 2x week to 3 x week. It seemed to keep me good for I forget what period of time a year or a year and...
  6. O

    Libido good pre/post TRT- Years later crashes

    Thanks for the responses. I'll have to get out labs and take time to type them up later. They've been consistent for 8+ years basically. Doing more soon too so if there are any libido specific lists of things to ask my doc to check please enlighten me. It's libido first, I don't generally...
  7. O

    Libido good pre/post TRT- Years later crashes

    I've read thru so many threads on this forum and others about libido issues on TRT. but nothing entirely similar to my story and I'd be grateful for guidance on how to chase down what the issue is. Prior to TRT even with medical issues, adrenal fatigue, and low hormones my libido and sexual...
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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