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    HCG use in testosterone stimulation and restoration

    Per Eugene Shippen, in the case of secondary hypogonadism, HCG (which mimics LH) is useful in stimulating and/or restoring permanently testosterone production. This topic is covered briefly in Nelson's book and at length in Shippen's work. I get the impression that Shippen's approach is like a...
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    John in Raleigh

    Hello everyone! I'm John, age 51 in Raleigh, NC. While my regular blood work, doctors exams, etc show my health to be optimal I am just unsatisfied with my well-being, vigor, strength, appearance, etc. In other words, I am unhappy about aging and loss of those youthful attributes. I was in the...
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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