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  1. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    Not any, but I use sustanon not cyp + prop
  2. I

    TRT, HCG, LIBIDO??

    HCG is a very special thing. Not everyone can tolerate it and many of the people who do(me included) tolerate up to a certain dose - above that negatives occur. For me that dose is up to 700ui per week. I dont give a damn what the studiea say about that, I know people who take 2x50 ui weekly of...
  3. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    Is sustanon totally unavailable in the USA? Arent at least some trustworthy reputable "alternative" sourcesnto obtain it? For me sustanon is what brings the effect of fast esters without the need of daily injections. EOD, 3 times a week and even E3D would make most of the people feel stable...
  4. I

    Pregnenolone makes high dose Testosterone tolerable

    No but when Im at my place alone Im OK. When I sleep with someone else or another place/hotel is when issues start. Ive designed my bedroom to be my perfect cave, a goosld quality memory matress of medium hardness is good enough. But I see peoplw who sleep at huts in the mountains, tents and...
  5. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    But this would work only for people that can use sub q, so for me its not an option. I think Ive found my balance between having short esters and not too frequent injections
  6. I

    Pregnenolone makes high dose Testosterone tolerable

    I also have certain issues with sleep that came around 2011 when I worked on shifts overseas. I suspect some components of my nervous system took hit back then and ultimately this accelarated the decline of testosterone. Now If I do things right I can sleep well, but I need to sleep in extremely...
  7. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    I was gonna ask at what intervals people inject these blends? I think to get most out oof prop you need to do at least EOD, and doing ED IM injections is a NO NO. This is another thing I think that makes sustanon great because it also has decanoate and many people can feel stable on it even...
  8. I

    Pregnenolone makes high dose Testosterone tolerable

    I cannot tolerate even 1 without side effects qnd actually it worsens my sleep. Get sleepy from it, but makes me wake up at night
  9. I

    Pregnenolone makes high dose Testosterone tolerable

    I guess it is a good thing, however I cannot tolerate melatonin
  10. I

    Pregnenolone makes high dose Testosterone tolerable

    For me it sucked initially and my hands trembled. Sometimes you may hit a nerve and feel a bit of a pain. Sometimes after you draw the needle out of you may see blood - its totally fine. Remember to relax the msucle when you are in it and DONT aspirate, this will only increase the scar tissue...
  11. I

    Pregnenolone makes high dose Testosterone tolerable

    Id be also very careful with that. For me this is not a ream IM, on that thing I've done 7 weeks of enanthate last year and levels were as low as sub q. I would say if your are below 12 percent body fat maybe it will work well in the delts only. Now somebody will say it works for me - ok, maybe...
  12. I

    Pregnenolone makes high dose Testosterone tolerable

    I woundnt advice anyone do IM daily injections. Ive done and it sucks big time. EOD - no problem, but daily I wouldnt. However Ive seen a lot of guys do daily injections when they havent actually tried a proper 2-3 times per week protocol first. Also some doctors start all the people on daily...
  13. I

    Pregnenolone makes high dose Testosterone tolerable

    Ive also taken more than one measurement, all on trough. My friends as well. We use the same brand of testosterone which by the way is not compounded, but a pharmaceutical brand. Also since Ive transferred to IM ive taken dozens of total t tests on different doses and protocols and also ok...
  14. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    If your thanos grade errections were when you initiated TRT dont expect that to get back 100 percent ever again. The honeymoon period happens because of the dopamine rush resulting from the body experiencing elevated t levels for the first time. Sorry, but that cannot last because the dopamine...
  15. I

    Pregnenolone makes high dose Testosterone tolerable

    Yes I dont, but you've read enough of these experiences on the forums yourself as well Im sure.
  16. I

    Pregnenolone makes high dose Testosterone tolerable

    I will state this really simpliefied the way I have simplified it in my head after too many hours spent thinking about that. Dont put too much attention on my hyptothesis why - I dont really know why, I just know what is the end result with many people. Do I get higher t levels on IM compared...
  17. I

    Pregnenolone makes high dose Testosterone tolerable

    Exactly. And to a guy perfectly dialed in on IM - if he wants to try sub-q let him. If it all screws up he has a place to go back to and be ok again. And what exactly is the science behind sub-q vs IM I dont think it matters too much. Really. The end results in many cases are pretty clear. If...
  18. I

    Pregnenolone makes high dose Testosterone tolerable

    Do you think anybody knows the mechanism for sure? What matters to me is that many people get higher blood levels and feel better on IM compared to sub q injections - me included and a few close people whose protocols I've observed for some longer time, their issues and struggles on TRT. This...
  19. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    I have no idea about e1, but short esters usually spike estradiol more. On sustanon my e2 is higher than enanthate, but I have no issues with that.
  20. I

    Pregnenolone makes high dose Testosterone tolerable

    I thinknif this was the only issue after enough weeks have passed the levels should become equal
  21. I

    Pregnenolone makes high dose Testosterone tolerable

    I had huge differences in levels between sub q and IM on nearly identical protocols with the same ester. The only difference the sub q dose was higher and levels way lower
  22. I

    Personal Follow-Up

    They are supposed to be around 0 when you are on TRT. HCG does not show.on these 2 blood panels. No need to discuss anything with your doctor regarding that, if he is not knowledgeable enough he may come up with the stupid idea to get you off TRT for some time.
  23. I

    Tips on how to blend propionate with enanthate (or cypionate)?

    Seems Im not the only one doing good onky with fast esters. Ive tried different cypiinate and enanthate protocols with the same terrible issues resulting from them. Only on sustanon I feel good like Im aupposed to feel on TRT. So my 2 cents if you think whether your efforts for the blend are...
  24. I

    Pregnenolone makes high dose Testosterone tolerable

    Are you sure about that?I also tried to try preg on a lipid matrix
  25. I

    Anyone here taking progesterone?

    Its always individual thing as everything discussed in this forum
  26. I

    Pregnenolone makes high dose Testosterone tolerable

    As I understand he doesnt feel bad from the scrotal cream, he just doesnt want the overhead to apply that thing twice a day when he can do two shots per week instead. I totally understand his motives. The cream is very unpractical, but for someone who feela really better on it it is worthy.
  27. I

    Pregnenolone makes high dose Testosterone tolerable

    The science is not very difficult at all and having issues on sub-q totally makes sense. A very basic rule in pharmacokinetics - oil moves and absorbes well within muscle tissue, water based solution within fat tissue. So the general consensus is to inject oil in muscle, water in fat. Some...
  28. I

    Pregnenolone makes high dose Testosterone tolerable

    I have tried for a few days 100mg pregnenolone when I initially started TRT. I stopped it cause it made me terrible sleepy. If I start preg now I would start at around 25mg and try to go to 50. By the way I noticed in the lab there is another ptogesterone test - 17-OH-Progesterone. How does it...
  29. I

    Pregnenolone makes high dose Testosterone tolerable

    It is very difficult to analyze about that. But from my subjective experience it is not only the levels. IM somehow works more like testosterone is expected to work. Hard to explain, but if you are not dialed in the first thing I would do on your place is to ditch the sub q for good and start...
  30. I

    Pregnenolone makes high dose Testosterone tolerable

    By the way when I started TRT initially sub q worked fine. Until it stopped working as good and my levels fell two things happened: 1) My belly fat got full of nodules from the oil 2) On TRT I started eating like a pig and got fatter(now working hard to get back my pre TRT weight with much...
  31. I

    Pregnenolone makes high dose Testosterone tolerable

    The studies showing that is why the fail epicly in this specific case. For me and other guys there was a huge difference in blood levels on the same dose between sub q and IM. With me it was approximately 1/3 of the total t value.
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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