ResearchIt said: I'm almost 43 and my morning erections have mostly disappeared starting when I was 41. I am healthy and fit. Sexual function is 70% of what is was 3 years ago, but it is still ... Read more >>
Jucaro said: Triptorelin is used clinically to produce castration by suppressing LH and FSH, being agonistic but constant stimulation produces the opposite effect. It has been claimed that ... Read more >>
TestQuest22 said: All -- I just got my labs back and thought to share them with you to get your input and advice. I'm going to discuss the latest labs with my Physician this Friday, but I'm thinking ... Read more >>
Fortunate said: I have posted a lot of my struggles with TRT, mostly due to headaches caused by injections. But, I have also noticed another side effect that has been pretty consistent: nausea. ... Read more >>
Mojo88 said: So I was looking at one of my emails from a body building site (I like to go to the gym, even at 70, haha), and they had the list below of 9 ways to lower Hematocrit. Mine was ... Read more >>
madman said: Haematological actions of androgens (2022) Annabelle M. Warren, Endocrinologist *, Mathis Grossmann, Endocrinologist In this review, we discuss the effects of androgens on the ... Read more >>
BobDylan said: I'm currently taking 40mg every 4 days of cypionate and it puts me around 500 total testosterone. I went to donate blood a couple weeks ago because my hematocrit tens to run high. ... Read more >>
MinD said: So I'm 46 years old and sexual drive is down significantly along with ability to stay hard. I've taken tests in the pasts and then self-diagnose (with help on here as well), but ... Read more >>
fof99 said: Got all my blood work done, but trying to stay away from a clinic protocol. I can get a great deal through my own pharmacy. Any clinics have a option just to pay for the script ... Read more >>
Golfboy307 said: It's not uncommon to have post menopausal women run a bit higher on T than standard levels. My wife is 55 and also on HRT. The higher T levels seem to help in many regards (workouts, ... Read more >>
BigTex said: How many conversations do I have to have with a cardiologists to get him to understand this? Throw creatine supplement into the mix and you really have a mess. I have been taking ... Read more >>
Nelson Vergel said: It's an elaborate test. Most insurance companies do not pay and you have to find an endocrinologist that specializes on GH deficiency. [link] Most GH peptides are a waste of money ... Read more >>
BigTex said: What amazes me is how a pharmacy review board can over ride a doctor's medical opinion. Seems they believe we don't even need to have a doctor involved, just let Caremark make ... Read more >>
Mojo88 said: I developed horrible eye floaters after cataract surgery. Ended up with PVD in both eyes. Doc says all is OK, but nothing to be done (except dangerous vitrectomy). Anyway, about ... Read more >>
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.
