I started Shallow IM injections a week ago, alternating Delts for now to keep it simple. I use a 29G 1/2'' insulin syringe.
Every day has been painless and bloodless until today, when it hurt more going in and when I pulled out some blood came out. Not much, just a drop that went down my...
Quest Diagnositcs' range is 35-155 pg/mL for Free Testosterone. That's 3.5-15.5 ng/dL.
Labcorp's range is 9-25 ng/dL.
That's a big difference. 3.5-15.5 and 9-25.
My question is: If you tested at 25 ng/dL on a Labcorp test, does that mean you would've tested at 15.5 ng/dL on the Quest...
I've been doing subcutaneous injections daily for a while but don't feel that good with them. I've tried all sorts of dosages from 100mg/week to 200mg/week, but I still experience lots of brain fog, not much energy or motivation...
Some people claim they get higher levels on IM than subQ and...
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.
