liono_i_am said: So I've been on TRT for a number of months, and can't seem to get dialed in. I feel lethargic, emotional/mild depression, no drive/motivation, low libido, weak erectile function. ... Read more >>
madman said: Abstract Background: The clitoris is the primary somatosensory organ of female sexual response. Knowledge of its neural anatomy and related landmarks is essential for safe genital ... Read more >>
medic3644 said: Hey all, I have been on TRT now for around 5 years and never had too many problems besides the occasional ED from my e2 levels being off that required some Cialis. I am 34y/o 6'5" ... Read more >>
Chet002 said: I've been on daily IM injections of 35 mg Test Cyp for about 5 months. I'm flying to another state for vacation for 5days. I'd rather not go through the crap associated with flying(transport ... Read more >>
madman said: INTRODUCTION With the evolving language regarding gender identity and sexual orientation, the authors believe that it is important to first define gender and sex. Gender refers ... Read more >>
madman said: BACKGROUND TO A NEW ERA To discuss "a new era" in the management of sexual dysfunction implies progress from a previous norm, so that discussion must begin with an understanding ... Read more >>
madman said: Testosterone use in Prostate Cancer by Dr. Luke Witherspoon, MSc, MB, MD; Sexual and Reproductive Medicine Fellow, University of British Columbia; Functional Urology Research Fellow, ... Read more >>
Gianluca said: has anyone ever experienced this type of issue? every time I use a cream, bright colors perception increase substantially. When I see them, they really stand out and draw my attention, ... Read more >>
Nelson Vergel said: Nutr Rev. 2021 Oct 6;nuab072. doi: 10.1093/nutrit/nuab072. Online ahead of print. Examining the effects of calorie restriction on testosterone concentrations in men: a systematic ... Read more >>
Primarybot said: Click here to view on the web Highlighted posts I am only happy when estradiol is VERY low October 06, 2021 * 24 posts * 362 views Testosterone Side Effect Management Raising ferritin ... Read more >>
Phil Goodman said: Couple of questions for the HCG users here. For those who use pregnyl, how do you get it prescribed? Is it from your GP or from a clinic? Also, any suggestions for finding an online ... Read more >>
threeXweekstill said: I did recently have my doc prescribe Viagra 100 mg so I could compare the effects with Cialis. I was gun shy taking that big of a dose to start, so I tried a third of tab. Even ... 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.
