I was prescribed to take 10mg of Cialis daily for ED. Has anyone taken that regimen? What were your results. I have read that some take 5mg twice daily. One in the morning and one at night. I have read that 10mg lasts from 24 to 36 hours. I am worried that taking 10mg daily will not be...
Hi all. Can anyone give me some advice on how to make my erections rock hard again? I am looking for natural ways. My other question is that if I do go with an ED drug, is there a possibility of developing tolerance? I would really appreciate for some advice on which way i can take this. By...
Hi everyone. Can anyone tell me if DIM is worth taking? It is fairly expensive in comparison to other supplements. Has anyone had any benefits and if so, are you still feeling them? What benefits do you feel? What are the benefits that somone should expect? Just wanted some advice before I...
Can anyone help me with information regarding l-arginine? How long before and after being taken orally can food be consumed because I read that it should be taken on an empty stomach. Also, should I just switch to citrulline?
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.