I hope you enjoy this part 1. Yes, it is almost 2 hours long but I concentrated everything I know so that you do not have to read for hours. What is low testosterone (hypogonadism) and how is it diagnosed? Low testosterone, or hypogonadism...
* They discuss how these clinics often bypass proper lab testing, ignore fertility risks, and prioritize quick prescriptions over patient safety—all under the buzzword of “optimization.” Testosterone therapy is trending—but are clinics...
Embarking on the path of Testosterone Replacement Therapy (TRT) often evokes a blend of enthusiasm and concern among men. The allure of renewed vigor, heightened sexual desire, and robust muscle growth is enticing. However, there are a lot of...
Thanks to Dr Sun for this diagram. Timeline details (left → right) YearProduct (image above/below the line)Form & delivery 1935-1937No product image—text block below the line: “Testosterone first synthesized” with a bullet list of early...
Been on TRT for almost two years. It's been life changing. I take .9 to 1cc per week of Enanthate injected. Took a while to dial it in, but 800 to 1000 seems to be the sweet spot for me. Then primary care physician retired, new guy want's it to...
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...
Testosterone is a key hormone for men's health, but what happens when levels drop? In this episode, Dr. Alex Tatem and KG break down everything you need to know about testosterone—what it is, signs of deficiency, when to get tested, and the best...
In this episode, Dr. Morgentaler and Dr. Brandon talk about the FDA finally reversing its stance on testosterone risks, what that means for heart health, and why it’s a big win for science—and for patients. Chapters 00:07 – FDA's New Stance...
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...
https://www.instagram.com/the_testosterone_project/reel/DCFj-bhPl_X/ Exciting news! Dr. Mohit Khera (@drmohitkhera) is joining The Testosterone Project board. Together, we’re on a mission to redefine hormonal health and educate the public on...
I see a lot of posts here from U.S. users stating that “insurance does not pay” for hCG, FSH, Trimix, and even some testosterone products. Although that may be true of some health plans, I have found that coverage is often permitted via prior...
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.
