Erectile Dysfunction

Managing Erectile Dysfunction & Heart Health
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Dr. Dapo lluyomade * I think erectile dysfunction, we should really begin to think of erectile dysfunction as subclinical atherosclerosis until proven otherwise Is your patient’s sexual dysfunction an early indicator of serious...
Saving Erections with AI During Prostate Cancer Surgery
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Dr. Burnett true legend in the field! Can you really keep your erections after prostate cancer surgery? In this episode of the Dr. Geo Prostate Podcast, Dr. Geo sits down with world-renowned urologist Dr. Arthur “Bud” Burnett — the Patrick...
Estrogen-It's what makes a real man
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Study: Low estrogen can cause problems for men Study: Low estrogen can cause problems for men (2013) Dr. Joel Finkelstein, an endocrinologist at Harvard Medical School and the lead author of a new study, talks about the effects of declining...
Metabolic benefits of estradiol and testosterone in men and women
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As we very well know T s metabolites estradiol and DHT are needed in order to reap full beneficial effects of testosterone. Ts metabolites estradiol and DHT are needed in healthy amounts to experience the full spectrum of testosterones...
Why Use hCG With TRT?- A Clinical Review
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Using hCG in Men on Testosterone Replacement Therapy (TRT) – A Clinical Review Introduction Exogenous testosterone replacement therapy (TRT) can profoundly suppress the hypothalamic-pituitary-gonadal (HPG) axis through negative feedback. By...
Smoking Cessation's Effects on Male Hormonal Levels
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This scientific paper investigates the effects of smoking cessation on hormonal levels in men, specifically focusing on steroid hormones like testosterone, DHEA, DHEAS, cortisol, and sex hormone-binding globulin (SHBG). The researchers aimed to...
Pregnenolone in Men: Help determining proper dosage and frequency
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Wondering what pregnenolone dose and frequency works best for optimizing your hormone balance on TRT? Pregnenolone, the "mother hormone" that serves as a precursor to numerous steroid hormones, requires careful dosing consideration due to its 3-4...
The hormonal regulation of men’s sexual desire, arousal, and penile erection
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Briefing Document: Hormonal Regulation of Male Sexual Desire, Arousal, and Penile Erection Source Rastrelli, G., Antonio, L., Carrier, S., Isidori, A., & Maggi, M. (2025). The hormonal regulation of men’s sexual desire, arousal, and penile...
Erection Supplements- Do They Work to Improve ED?
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Briefing: Erection Supplements and Erectile Dysfunction (ED) This briefing reviews information from the "Erection Supplements- Do They Work to Improve ED?" discussion on the Excel Male TRT Forum, focusing on the efficacy, safety, and regulatory...
Erectile Dysfunction Therapies: Testosterone, PD-5 Inhibitors, & Beyond
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Can we do more than prescribe pills to address men’s sexual health complaints? In this episode of the BackTable Urology Podcast, men’s health expert Dr. Mohit Khera from Baylor College of Medicine joins guest host Dr. Amy Pearlman for a deep dive...
High Estradiol in Men on TRT: What to Do
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Briefing Document: Estradiol in Men on TRT Source: Excerpts from "High Estradiol in Men on TRT: What to Do" by Nelson Viegel (excelmale.com) 1. The Role and Importance of Estradiol in Men Core Idea: Estradiol, often misconstrued as a solely...
Research Advances in Stem Cell Therapy for ED
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Stem Cell Therapy for Erectile Dysfunction: Current Evidence and Future Directions Erectile dysfunction (ED) is a prevalent condition affecting men worldwide, particularly those between the ages of 40 and 70. While conventional treatments such...
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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