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  1. M

    HCG Not Boosting LH?

    Hi everyone, I've been on a weekly protocol of 80mg test E (40 mg 2x per week) + 1,000 IU HCG (500 IU 2x per week) for about 12 months. I've done bloodwork twice in the last few months and surprised to still see my LH/FSH levels at basically 0. The key blood levels were as follows (generally...
  2. M

    Tips to Dial In Test C + HCG Protocol

    I just had bloodwork done after 4 months on this protocol: 1) 45mg of test cypionate 2x weekly (90mg total per week) 2) 500IU of Pregnyl 2x weekly (1,000IU total per week) My labs are attached. The free T didn't show up on the PDF but it's 823 pmol/L, which is well above the reference range of...
  3. M

    Pregnyl in Canada

    Hi guys, I'm running out of Pregnyl in the next couple days and it looks like there is a supply shortage in Ontario, Canada where I live. Does anyone know a reputable supplier I can contact who might still have supply? All the big name pharmacies are out. I have a prescription I can transfer...
  4. M

    Ideas for Fixing Chronic ED / Poor Sensitivity?

    Hi guys, I’m 30 years old living in Canada and I have been on TRT for approximately three years. The primary issue that got me started on TRT was lack of libido, bad ED (including total absence of morning wood), and a “numb” feeling / no sensitivity in the genitals. My initial bloodwork...
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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