Endocrinologic Control of Men's Sexual Desire and Arousal/Erection

madman

Super Moderator
Several hormones modulate or even promote human sexual behavior, including libido and arousal. Although epidemiologic and intervention studies corroborate the crucial role of T in inducing and maintaining sexual desire and erection, results for other hormones are less clear. Hypothalamic neurohormones as OT and a-MSH are currently under active research for therapeutic purposes. However, results from pilot studies are disappointing for lack of consistency or for disappointing side effects. Aside from hypogonadism, other endocrine disorders are associated with sexual dysfunctions. However, apart from hyperprolactinemia, their investigation in men seeking medical care for sexual dysfunction is not recommended because of the current lack of convincing evidence
 

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hCG Mixing Calculator

HCG Mixing Protocol Calculator

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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