madman said: This is the first talk of the Mindful Muscles Open Lecture Series, an initiative led by the Community of Practice of Early Career Researchers on Image and Performance Enhancement ... Read more >>
Arcane said: I tried getting off of Testosterone, has been 1 year now and feel like crap. I took Enclomiphene for 6 weeks to get off. no luck with fertility. Thinking about getting back on ... Read more >>
McBeavy said: Back in May of 2019 I had my IGF-1 tested and the results were 103 (100-300 ng/mL), which seemed low. This was pre Test replacement. I started T replacement in September/2019 (I'm ... Read more >>
Systemlord said: I always say there's nothing wrong with slightly high T numbers as long as CBC markers are healthy. The problem with HCT ranges is not all lab ranges are identical, seen 50, 52 ... Read more >>
madman said: Puberty Induction in Adolescent Males: Current Practice (2022) Mohammed S. Alenazi, Ali M. Alqahtani, Mohammad M. Ahmad, Eyad M. Almalki, Angham AlMutair, Mussa Almalki Abstract ... Read more >>
Fortunate said: TRT can be difficult. To quote some wise men: I believe it was @Cataceous who referred to testosterone as a blunt tool; and, the late John Crisler used to refer to TRT as trying ... Read more >>
sting said: 63 years old on dr. prescribed TRT 200mg weekly and NO hcg or any other add-on except for small dose nandrolone now and then. 5 years now. Not interested in getting my youger girlfriend ... Read more >>
arod123 said: Hello everyone , Ive just recently started a TRT regimen in CT (USA) for the last 6 months on daily 15mg of Cypionate daily. I am now in southern Spain (Marbella) and trying to ... Read more >>
Spoony Luv said: Hello, I have had inflammation in my testes for a week. Ive been starting and stopping TRT due to anxiety its been giving me. I guess, we are trying to dial it in. I had to come ... Read more >>
Nelson Vergel said: Most guys don't realize that consumption of salty food, high glycemic carbs or alcohol can easily make you gain water weight. Although we have no data on this, my susceptibility ... Read more >>
Jackie Treehorn said: I was getting my HCG from Empower Pharmacy (via Defy) for the last 6+ years. When this new rule came into effect, I started calling a bunch of local pharmacies (Austin, TX area) ... Read more >>
JRos895 said: I did not previously go through this, and am happy to share. I'm in my mid twenties and I've always been very concerned about fertility, especially since my baseline LH/FSH (with ... Read more >>
BigTex said: Thanks! Done the HGH already , hopefully it is working, but I found IGF-1 Lr3 is much better, along with BPC 157, EGF and MGF. I used that combination of my quad surgery. I did ... Read more >>
Weasel said: I cannot say for sure as I dont have labs coming up for 2 weeks yet. I'm only on 100mg (2 clicks) vs using 4 clicks like most so I dont think that is the case but cannot say for ... 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.
