Update from initial post.
Guys, I'm not 100% to my final goals yet, but for the first time in my life, I hit my mark in terms of recomp, am in better shape than in my 20s (I'm 5-7, now 165lbs, almost 65, was 193lbs at my heaviest) and now am on my way to the *refinement stage. I did it in less...
Alan Aragon is a nutrition researcher and educator with over 25 years of success in the field. He is known as one of the most influential figures in the fitness industry’s movement towards evidence-based information. He is the author of Flexible Dieting: A Science-Based, Reality-Tested Method...
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.