post cycle

  1. J

    Off TRT for over 3 months, interesting results

    I was previously on TRT for almost 8 years. During that time I struggled getting dialed in as I would never have consistent energy, focus, sexual function, fat loss and pretty much any of the benefits of TRT. I would get "spurts" of the benefits for a week at a time and then they would...
  2. C

    No libido, unable to orgasm

    So I've been off testosterone for four months. Didn't do much of a PCT. Tried clomid briefly - it was awful, tried a few test booster and "pct" supplements - who really knows if they work or not. I'm not feeling awful but I am feeling sub-par. Still trying to work out at least 5 times a week...
  3. W

    Restarting natural production

    I just came back from a week long vacation where I skipped a weeks worth (2) of injections for the first time since starting self TRT of 5 years. Here is what the PCT plan: 1) 5 days after last Test E injection start protocol. 2) HCG 500IU per day for 2 weeks. 3) Then, 25mg Clomid for 1...
  4. Nelson Vergel

    Video Lecture: hCG Use in Men- Review of Studies by Nelson Vergel

    Nelson Vergel, co-founder of ClinicOptimizers.com, founder of ExcelMale.com and DiscountedLabs.com, and author of the book "Testosterone: A Man's Guide", reviews current data on the use of human chorionic gonadotropin (hCG) in men to preserve/regain fertility, testicular size, libido and higher...
  5. Nelson Vergel

    Recovery of sperm production following testosterone replacement or anabolic steroids

    The use of testosterone replacement therapy (TRT) for hypogonadism continues to rise, particularly in younger men who may wish to remain fertile. Concurrently, awareness of a more pervasive use of anabolic-androgenic steroids (AAS) within the general population has been appreciated. Both TRT and...
  6. Nelson Vergel

    Clomid to Reset Hormonal Axis After Anabolic Steroids

    Use of clomiphene citrate to reverse premature andropause secondary to steroid abuse Robert S. Tan, M.D., and Deepa Vasudevan, M.D. Programs in Geriatrics and Andrology, Department of Family and Community Medicine, University of Texas Health Sciences Center, Houston, Texas Objective: To...
  7. Nelson Vergel

    Interview with Dr. Michael Scally about Testosterone and Its Side Effects- Part 2

    Part 1: Here NV: Can you tell us about your experience with prescribing different options for TRT? Have you seen any difference in using gels versus injections? Is there any advantage or disadvantage to using either one? MS: Injectable, transdermal, buccal, and oral testosterone...
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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