Hi all, I've been experimenting with pregnenolone for over a year now, with varied success. I seem to get benefits at 100mg (such as higher libido, more pronounced nighttime erections and better sleep); however, I don't get these results...
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...
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...
Understanding the Symptoms, Diagnosis, and Treatment of Hypogonadism in Men Hypogonadism, a condition characterized by low testosterone levels, can significantly impact a man's quality of life. ExcelMale.com offers a comprehensive guide to help...
Study at a Glance Title: “Assessing the Impact of GLP-1 Receptor Agonists on Sexual Desire: A Qualitative Review” Authors: H. Quaile & R. Horwitz Journal: Journal of Sexual Medicine — published 1 April 2025 Why This Matters Glucagon-like...
In this episode, we discuss premature ejaculation, a problem faced by 30-40% of men at some point in their lives. *But what defines premature ejaculation and, for that matter, what is considered a normal time to ejaculation? *10 minutes? 5...
Wearable sex toys and devices are commonly used by women and men worldwide. In a 2008 representative study of more than 3,000 American women and men ages 18 to 60 found that about 53% of women and nearly half of the men reported lifetime solo or...
Uso de hCG Junto a la Terapia de Reemplazo de Testosterona Hola chicos, soy Nelson Vergel de ExcelMale.com. Hoy voy a explicar cómo usar hCG junto con la terapia de reemplazo de testosterona (TRT). Algunos hombres con testosterona baja necesitan...
It is hard for me to believe this. Let's see when we try it out. The FDA has given MED3000 (Eroxon), the first nonprescription topical gel for treating erectile dysfunction (ED) in men over the age of 22, permission to be sold without a...
This is an article from 2013 that I found very interesting regarding the impact of low prolactin on men. A study involving nearly 3,000 European men aged 40 to 79 has revealed that low levels of the hormone prolactin are linked to sexual and...
As usual Nelson's Excel is where it's at! Mohit Khera, MD, MBA, MPH, Professor of Urology, F Brantley Scott Chair in Urology, Medical Director of the Laboratory for Andrology Research, Medical Director for the Scott Department of Urology...
Case Study: Absorption of Testosterone Cream via Scrotal Delivery. Needham S1, Needham S2. 1Moses Lake Professional Pharmacy, Moses Lake, Washington. 2Alturas Analytics in Moscow, Idaho. Abstract Transdermal testosterone has been used for...
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.
