Prior to TRT
+8 weeks on TRT
Ref range
Total Test
314
555
250-1100
Free Test
91.6
168
35-155
E2
35.98
36
<=29
TT/E
8.73
15
SHBG
14.4
12
10-50
PRL
8.25
12
2-18
So overall, I feel much better. Like life changing better. But I know there are...
Here is a breakdown of many labs over the past year. The actions taken after each one and the effects of those actions. Currently a bit confused as to what to do next and would love some insight.
I have taken much interest and allocated a lot of time to learning this stuff and accordingly my...
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.
