Oral Testosterone Therapy: A Complete Guide to Jatenzo, Tlando, Kyzatrex, and Emerging Options By Nelson Vergel | ExcelMale.com | Updated December 2025 For decades, men requiring testosterone replacement therapy faced a limited menu of options...
Many men begin testosterone replacement therapy expecting their sexual function to improve across the board—better libido, stronger erections, enhanced satisfaction. And while TRT often delivers significant benefits for desire and overall sexual...
This nationwide study examines the prevalence of testosterone deficiency and the subsequent use of replacement therapy among men living with HIV. By analyzing data from over 100 million patients, researchers discovered that healthcare providers...
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@Nelson Vergel We need you here! https://www.fda.gov/patients/fda-expert-panels/fda-expert-panel-testosterone-replacement-therapy-men-12102025 Location: FDA White Oak Campus, 10903 New Hampshire Ave., Building 31, Great Room, Silver...
Practical Clinical Summary on Testosterone Therapy in Women (From ExcelMale.com) Based on the ExcelMale forum threads and related clinical literature, here's a comprehensive extraction of practical content for a clinical article: Physiological...
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Nelson's house u heard it here first! Dr. Shalender Bhasin! * over the past 4 decades he has become a global leader in the biology of androgens, sarcopenia and aging related functional decline, his research has shaped clinical guidelines, its...
What's the optimal HCG dose to preserve fertility and testicular size while on testosterone replacement therapy? Two landmark studies provide critical guidance for men seeking to maintain reproductive function during TRT. Research from Baylor...
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.
Vibegron for BPH Patients with Persistent Overactive Bladder Symptoms
