5ar

  1. FunkOdyssey

    Does hCG boost libido by stimulating 5-alpha-reductase?

    I started a previous thread to unravel the mystery of why hCG improves libido in some men, which generated some good discussion but didn't reach any firm conclusions: https://www.excelmale.com/forum/threads/libido-hcg-vs-higher-t-e2.25785/ Now comes a youtube video from Cortex Labs that claims...
  2. Vince Carter

    How to promote 5AR and DHT conversion

    I have access to a cream that is applied to the scrotum daily, which works really well, verified by testing. But I'm interested in more natural things, anything that might promote the 5AR conversion to DHT. I've investigated Sorghum and I do use Creatine but I don't think that those have had a...
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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