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  1. M

    Inject hCG IM for better results?

    That would mean subq peaks faster which is far fetched...since i have compared throughs and i have been playing with various esters for 15 years and pretty much know what to expect and get consistent numbers on IM. When i say i have compared subq and im that really means that, and i have never...
  2. M

    Inject hCG IM for better results?

    Some gels do openly report going back to baseline at 12 hours, like testavan and tostran...personally i feel dead tired in the evening way before bedtime on gel, otherwise it's very nice for about ten hours. I have been wondering about using it twice a day, that would mean keeping the gel tube...
  3. M

    Inject hCG IM for better results?

    Talk about beating a dead horse, no matter how many times people tell they personally had bloodwork done to prove significantly lower levels on subq injection, cat refers back to studies...and how can a xyosted study be taken as concrete evidence anyway, since it is clear they would not publish...
  4. M

    HCG induced aromatase down regulation?

    It probably will not, there are not many of us weirdos around...on another note, injecting HCG and FSH with the same syringe to shoulders with 8mm slin pins causes absolutely no PIP, there is some evidence that HCG could have better bioavailability IM, i wonder why the trend to inject...
  5. M

    HCG induced aromatase down regulation?

    After those results i started injecting shoulders twice weekly, i upped the t dose to 30mg, then 37.5mg for just a few times before running labs again, hcg and fsh was kept at 500+90, so the weekly total is twice that for t and gonadotropins. Labs are not through numbers this time as i felt like...
  6. M

    HCG induced aromatase down regulation?

    Yeah so far i only found one case on reddit explaining a similar scenario, and i'm fully aware that most people will suspect this to be impossible since as you described, the problem is almost always the opposite, it seems something happens over time, HCG will not cause this low e2 state from...
  7. M

    HCG induced aromatase down regulation?

    Just wanted to see if anyone has anything similar going on, this is the second time i have witnessed on my labwork this strange phenomenon of tanked estradiol on combined HCG and testosterone. Now, i'm not certain if last time i was also using test subq, FSH was not in the picture back then...
  8. M

    FSH stimulates aromatization

    I did try 150iu of FSH and felt bad, at first i was also doing mon-wed-fri, 500+75, after a short trial total T was 15nmol/l or 430ng/dl, shbg being quite low free testosterone was decent but i lacked libido among other things, E2 was almost low which is funny. My current stance is that using...
  9. M

    FSH stimulates aromatization

    Yes, this is very basic and easy to understand, it only takes around 1000iu of hcg per week to have physiological levels of ITT, i doubt e2 induced infertility will be a problem on FSH. I am currently taking 500iu of hcg and 90iu FSH every 3,5 days. I wish i could have sustained it longer...
  10. M

    Sperm result after 3 months of HCG. What would you do?

    While recombinant FSH is not, at least in most parts of the world, if one can't afford a short run of it, i would question if having a baby is something one can afford. Also freezing sperm for 10 years will probably be more expensive. Not nearly all guys end up with good sperm on HCG only, and...
  11. M

    Why Men’s Fertility Is Declining: The Truth About Testosterone

    But it lasts longer, peak testosterone is achieved around 72hrs and it takes almost twice that for hcg to clear.
  12. M

    Sperm result after 3 months of HCG. What would you do?

    HMG does work, it's human derived menotropin that in addition to FSH contain also LH, but the half life for the LH component is very short so hcg should also be kept on board.
  13. M

    Sperm result after 3 months of HCG. What would you do?

    To each his own, after years of trial and error and bloodwork, i have come to the conclusion that 2000iu daily keeps me around 85nmol/l during winter months when no uvb radiation is available. Larger doses have always caused issues like anxiety and nausea. I despise people who never do or...
  14. M

    Morning erection won’t go down without help

    Do you mind sharing your exact protocol? Obviosly results may vary but it's always nice to know how someone gets results like this that many never do.
  15. M

    Sperm result after 3 months of HCG. What would you do?

    2000iu D per day is usually sufficient, +1 on the FSH, trying to revive sperm on HCG only is kind of outdated anyway, you only need a little bit of hcg to have some intratesticular testosterone with the FSH.
  16. M

    Why do some men need supraphysiological doses of testosterone to achieve normal levels

    Hey i remember you legend, remind me if it was subq or IM? HCG was never in the picture if i remember correctly.
  17. M

    9 years on Gel - Switch to Injection - Effect on HCT?

    Have you ever measured through levels in the morning, assuming you only apply in the morning?
  18. M

    HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY

    How about trying out a reduced dose of HCG, for example 500iu 3xwk, and dropping the AI, that e2 level is IMO low considering that your t-levels are so high, which leads me to believe a drop in hcg dose would still leave you with plenty of T, gonads definitely going strong with you. Maybe the AI...
  19. M

    HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY

    then there are reports of some guys cruising on hcg mono on doses such as 250iu 3xweek, 500iu 2xweek. There are no studies validating the claim that hcg mono works only with higher doses, supraphysiological ITT was always required for fertility when rFSH was not used. Would be nice to have a...
  20. M

    HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY

    Goals is wellbeing, libido and erections, steady state. If ITT is almost maintained on 250iu eod, and 25% more on 500iu eod, i don't know if even on monotherapy one should be going higher, the higher doses are probably just thought to be necessary for monotherapy due to being present in...
  21. M

    HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY

    I wish Saya had chosen 250iu instead of the 150iu and included testosterone measurements. This data most are probably familiar with seems to indicate no need for more than e3.5d administration when it comes to maintaining testosterone with HCG alfa.(fig 3)...
  22. M

    HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY

    That is what i would like to know, seems these two are the most common approaches found on the internet, the Saya study Nelson linked does not really make sense in the sense that so many use 250 mon-wed-fri, and many even use just 250 every 3,5 days. In my case there seems to be a loss of...
  23. M

    Testosterone and meibomian gland (eyelid) dysfunction

    For me, dry eye sypmtoms always get better on testosterone, in my natural hypogonadal state i can hardly read after sauna.
  24. M

    What would you do? HCT vs. BP

    Are you drinking coffee, i am not the only one who had a significant drop in BP after giving up coffee.
  25. M

    Testavan 2h/24h post application lab results.

    How did it go? It seems the natural daily fluctuation in young males tends to be something like 30%, with this gel the difference is way more, and also my own anecdotal expreriments say that endogenous production is not activated during 12-24hrs post testavan application.
  26. M

    High testosterone is like … finasteride? Say what!

    I'm planning on trying out testavan gel soon, since studies claim it comes back to baseline after 12hrs, applied in the morning, there might be some endogenous activity during the night, at the very least large daily fluctuation in levels. Will take LH in the morning, who knows it might not be...
  27. M

    TRT Numbers

    Yes it's absolutely wise to check both 4 hours after and 24 after to see if the pharmacology holds true. Those are averages anyway.
  28. M

    TRT Numbers

    You're probably using androgel 1.62%? There is actually pharmacology claiming the levels with gels are not fluctuating as much as one would think. One exception is testavan gel that peaks fast. And then there is Testavan
  29. M

    Heart Palpitations and AFIB in Older Men on Testosterone: Signals from TRAVERSE

    After matching, 10,511 men who experienced an any increase in Hct after initiating TTh and an equal number of controls who did have an increase in Hct were included. Compared to controls who did not have an increase in Hct after starting TTh, the men who had an increase in subsequent Hct had a...
  30. M

    Heart Palpitations and AFIB in Older Men on Testosterone: Signals from TRAVERSE

    Excessive erythrocytosis compromises the blood-endothelium interface in erythropoietin-overexpressing mice https://physoc.onlinelibrary.wiley.com/doi/epdf/10.1113/jphysiol.2011.209262
  31. M

    Heart Palpitations and AFIB in Older Men on Testosterone: Signals from TRAVERSE

    Did they measure only daily through with the gel in traverse study?
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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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