I just injected .5cc 1nch into my quad and when I aspirated i only saw air. After injecting I pushed hard on the plunger to make sure all the testosterone got in me. When I pulled out I noticed the entire hub was full of blood. Did I inject into a vein or vessel? If so is this a wasted shot I...
I just did my 4th self injection today.
I have been using a 23 gauge 1.5" needle and I keep telling myself that this needle is way to long. Im 6'1" 225 athletic build besides the pot belly. I have tried the 1 inch needle but worried to much about it not going deep enough into the muscle. Well...
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.