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  1. W

    Adding Anastrozole, how much should I lower dose?

    if your at 650mg per week on 120mg test cyp with 500 iu HCG. What would .125mg of Anastrozole put you at, anecdotal experience is welcome and appreciated.
  2. W

    Suprising drop in Total T from 150mg to 125mg

    My trough on 200mg was 980, at 150mg its 880, I wanted to try 125mg, and I felt good in the first two weeks before it started dip and I began getting tired etc. I just got blood work and it shows 500mg, Im very suprised, thats only a 16% decrease so linearly it should be more like 750-830.
  3. W

    Viagra not working? After lowering dose

    From 200mg 500 hcg to 150 500 hcg, my joint is out of commission. I basically skip a day where I would inject 50mg test and just do hcg, making my split 3x instead of 4. Viagra is not working, don’t know why. I feel better in every aspect otherwise. I tried 20 mg of turinabol today and that did...
  4. W

    From 200mg test to 150mg but....

    Hey guys, I was doing 4x per week 50 mg test cyp and 500 iu hcg split over those days. I decided I wanted to try lowering dose due to bloating and what Ive read about 200mg being a little cookie cutter and overprescribed. I feel better at 3x per week 50 mg keeping 500 iu hcg split over 4x, but...
  5. W

    Lowered Test raised HCG

    I lowered my Test from 200 mg to 160 mg, and raised HCG from 500 iu this week to 1000 iu. If my total test range prior to this adjust was peak 1000 ng/dl, what would you estimate it to be on this protocol?
  6. W

    High LH, low thyroid, No Estradiol & Natty.

    I am seeing my endocrinologist tomorrow, curious for initial recommendations as to correct course of action to feel better, low estradiol symptoms.... I had thought of asking about HCG, or estradiol supplementation. Thank you for the help.
  7. W

    Serotonin Syndrome Low Estradiol

    I had what I believe to be serotonin syndrome, something I wouldn't wish on my own worst enemy, in December of 2021. It took me two months to feel normal, going through brain fog, brain zaps similar to those coming off antidepressant, blurry vision, anhedonia, exhaustion, panic attacks etc. By...
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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