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  1. M

    Surprising blood results . . . so is this it?

    Yet another option that I'll keep tucked away, thanks!
  2. M

    Surprising blood results . . . so is this it?

    If you are hitting a robust trough TT 700s 4 days (96 hrs) post-injection then your peak TT would be much higher! It is hard to believe that I got such a strong response from only 70mgs per week. I have always, however, been quite sensitive to any drugs that I took, so this seems consistent...
  3. M

    Surprising blood results . . . so is this it?

    Hello Madman and Systemlord; thank you both very much for your timely input - I suspected as much but needed to hear it yet again. Madman had kindly sent a link to private blood testing that's available in Ontario through Dynacare. I intend to continue the TRT another couple of months and then...
  4. M

    Surprising blood results . . . so is this it?

    I'm 68 and started TRT on the gel therapy on Dec 20/23. I was on that for 3.5 months before it was finally determined that it wasn't working right. I then went on TE injections on April 6, taking a rate of 10 mgs per day, injecting 40 mgs every 4th day (equivalent to 70mgs per week). Only...
  5. M

    Advice needed. TRT started

    Wow Gman, that is some post, I can see that you truly must have become obsessed with this topic since the age of 13 . . . your research is very detailed. Nobody is willingly going to go from a diet that makes them feel optimal, to a diet that makes them feel less optimal, unless the happiness...
  6. M

    Advice needed. TRT started

    Hello Gman, I hope you are well. Very often being goal oriented means that you have to picture yourself in the future in a certain place, and if it's a desirable place, to then work backwards to find out what steps are necessary today and in the coming period to expedite your arrival at the...
  7. M

    Advice needed. TRT started

    I'm 68, started 70mg TE one month ago to combat what I think is premature fatigue when active. I don't know much about T at all. But that doesn't mean I don't know about life - I do. I had cancer and open heart surgery; I often wonder how or where I got it from. It's difficult to categorize...
  8. M

    Different brands of T-Cyp give me varying results

    Good to hear that you're satisfied with your Hikma TE. Good luck getting your TRT dialed in, I can appreciate how complex it is for a young man who wants T and to still remain fertile.
  9. M

    Bausch Health has discontinued production of Delatestryl® in Canada

    Madman, you are a wealth of information and I thank you for that. It's pleasant to know that the option of enanthate is still open in generic form. BUT . . . what if, for example, there were a problem in sourcing the raw materials such that Hikma suffered the same fate as Bausch? Would Health...
  10. M

    Different brands of T-Cyp give me varying results

    Gman, are you happy with the Hikma TE? I think this is going to become a big question now that Delatestryl's days are numbered . . .
  11. M

    Bausch Health has discontinued production of Delatestryl® in Canada

    FunkOdyssey, I was just reading older posts about Hikma E and saw that both you and GMAN86 were big users of that product. I'm pleased to see that you think highly of the Hikma E, since that will likely become my default. In searching the internet, I was alarmed at some of the negative...
  12. M

    Bausch Health has discontinued production of Delatestryl® in Canada

    Looks like we are stuck with the generic Testosterone Enanthate manufactured by Hikma. This is disappointing; I just started the Delatestyrl and was beginning to get some good results. It highlights one concern I had of TRT, which is that I'd become dependant on outside sources of T . . . and...
  13. M

    The benefits of low dose T injections . . .

    Ideally, my current protocol (70mg test cyp split twice a week) will help me stay fit, strong, trim, healthy, sexual for the next 20 or 30 years from 59 years old to 80+ instead of the usual decay that most of us get. Those are my thoughts exactly. I was driving with my wife when an older man...
  14. M

    The benefits of low dose T injections . . .

    Gell, that sounds GREAT to me; my goal through the whole TRT episode is to have basically what you're getting. I want to work my way through fatiguing too quickly with exercise and work, then to recover a bit quicker from pesky little injuries, and to finally change my body composition by...
  15. M

    TRT and Gout questions

    There's a hereditary disposition to it; your sibling also had it which is a strong indicator. Some people get it, some don't.
  16. M

    The benefits of low dose T injections . . .

    Thanks for the response. I suspect that I'm much the same as you regarding drug responses. I've always had a strong response to small amounts that the doctors say should not work. I've had a bad back for many years. I'll sometimes take 1/2 an aspirin a day for a two week period, and after a...
  17. M

    The benefits of low dose T injections . . .

    Gibbon, that's intriguing that you have such a strong result from such a small dose. Why the dosing EOD; would one injection a week not suffice? Can I ask, have you always been more sensitive to other drugs that you've taken . . . meaning you don't need much drug to realize a good effect?
  18. M

    Swapping red meat for herring, sardines and anchovies could save 750,000 lives, study suggests

    These kinds of discussions are unfortunately always of little merit. People are guided by a belief bias; they automatically support a conclusion that is in sync with previously established values and preferences, while rejecting evidence to the contrary. In other words, they believe what they...
  19. M

    The benefits of low dose T injections . . .

    Hey Blackhawk, I can't help but feel a bond with a fellow lymphoma survivor. I'm intrigued with the dosage at 47.6 mgs per week. Is this truly where you felt best, or did you limit the dose because of side effects like Hematocrit and E2? I sometimes think of what degree of improvement I'd have...
  20. M

    HELP - Doubts about TRT

    I'm in Canada also. No, I'm not a young man like you, I'm 68, but have had much the same issues as you for a decade or so. My biggest complaint is fatigue and the fact that I'm constantly sore and seemingly unable to heal (quickly) from all these pesky little injuries. I've also had bouts of...
  21. M

    The benefits of low dose T injections . . .

    I had read that nipple sensitivity was common amongst those beginning TRT, but goes away "eventually". Not yet for me. Are you saying that nipple sensitivity could just be a normal long run part of it, and is not necessarily tied to aromatization and gynecomastia? That would be a big relief...
  22. M

    The benefits of low dose T injections . . .

    Vince, it's remarkable that your T could be that high, and yet your hematocrit, hemoglobin and estradiol are at ideal levels. That's not going to be me; my hematocrit was 47-49 before I ever started TRT, and crept up to 50 after my recent 3.5 month stint on that crappy T-gel . . . and from what...
  23. M

    The benefits of low dose T injections . . .

    I'm 68 and have chosen to pursue TRT primarily to treat fatigue, amongst other things. After a bad 3 1/2 month experience on gel (detailed elsewhere), I've finally convinced my endo to switch me to enanthate; my first injection was Saturday. Thanks to Madman for seeing me through that. The...
  24. M

    Got Test results after 3 months 1% T-Gel . . . very rattled!

    Finally got the endo to prescribe Test e for me. Tomorrow is my first shot; I've assembled most everything. Though I think I'll eventually go into delts, right now I'll inject into the thigh with a 25g x 1" needle. I've had so many problems with absorbing the gel that I just want to make sure...
  25. M

    BPC/TB for tendonitis/trigger finger

    I can offer little information, but can assure you that you're not alone with that ailment. I'm 68 and have had the trigger finger issue in both hands (the ring fingers) for the last six months and it just seems to get worse and worse. Then on top of it I got a bit overzealous with my workouts...
  26. M

    Got Test results after 3 months 1% T-Gel . . . very rattled!

    I'm trying to get off this gel, and onto injectibles, but having challenges with the prescribing doctor.
  27. M

    Injection frequency and labs

    The Madman truly knows a helluva lot about TRT . . .
  28. M

    Androgel Generic 1% - 8 Year Use - Latest Bloodwork

    So much for study models, you can say that again. And what about the average guy who never tests at two different times? He makes the assumption that his T levels are constant throughout the day, but in reality he could have a peak and trough that are far, far apart. I'm new to TRT, but I...
  29. M

    Androgel Generic 1% - 8 Year Use - Latest Bloodwork

    Lab results back at 626, so 626 at 5.25 hours after my morning application of gel, vs 167 23 hours after application. Yeah that's working right. That's skin absorption problems, time for injectibles . . .
TRT Hormone Predictor Widget

TRT Hormone Predictor

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.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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