30 YO. 5’11” 150 lbs. workout 4x/week. Married with 2 kids. Experiencing a disappointingly low libido. I’ve been using Gene’s NO stack (Citrulline, Tadalafil) daily for the last few years to combat this successfully for the most part, but recently libido has been declining to a disappointing...
Hi ive been following thread's for a while now and I'm trying to resolve a problem i have which has crept up on me over the last 5 year's. Brief history, foolishly did a number of aas cycles in my 30s 40s with pct but since stopping my drive has waned and has now hit zero. Also getting delayed...
I'm curious. Why did you start TRT when all your labs indicate your a middle of the range or 'normal' or 'bloods look fine/great' according to your doc.
What protocol did you start on?
Why?
What told you to start despite having normal labs?
Are you still on TRT or did you get off of...
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.
