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  1. T

    High dose dietary vitamin D allocates surplus calories to muscle and growth instead of fat via modulation of myostatin and leptin signaling

    no specific reasons, self experimentation something I am good at lol (and burned myself couple times). i felt no difference. been taking 10k for about a decade, and recently lowered it to 5k. also no difference. my focus has been on full body sun exposure lately, with 1h at noon in the pool...
  2. T

    High dose dietary vitamin D allocates surplus calories to muscle and growth instead of fat via modulation of myostatin and leptin signaling

    yes ng/ml ofc. at 10k IU I reach 80ng/ml, at 5kiu 60ng/ml consistently via blood test. so again, 30ng/ml does seem strange as in 80k/iu daily would put me at 200-300ng/ml. i tried once to run 50kiu/d and was hovering around 150ng/ml.
  3. T

    Cialis muscle pain

    I would definitely NOT rest, unless there is an acute injury. when i delt with this in the past this would leave within 24-48h. very rarely i still experience mild nerve pain when i take 10-20mg cialis which I dont pay attention to tbh.
  4. T

    Cialis muscle pain

    you can also try Avanafil which is highly specific to cells in the penis not the back. drawback is price and short half life if thats an issue. maybe some of the indian pharmacies have it cheap
  5. T

    Cialis muscle pain

    this is complex and nobody truly understands it. hamstring pain could be related to your back which cialis works on by inhibiting pde5 and be secondary due to the sciatic nerve being triggered. wild guess. i used to have sciatic flareups with cialis, although since dealing with those did not...
  6. T

    Should I switch to Defy?

    its a matter of money. defy is great. my plan is to stick with them. if i ever run into an issue where i can't afford it (not looking that way now, not planning on it), i would not hesitate to run UGL Test.
  7. T

    PT-141 Bremelanotide

    i tried it, and felt like absolute shit. no libido boost but flushing+headache+weakness. melatonan 2 which is a cousin, worked 100x better for me, melatonan 2+sun....insane boost problem is you will turn dark, and since i tan dark quick already, m2 became over the top very quickly
  8. T

    No feeling during ejaculation

    not with selegline specifically, i have just general concerns with drugs which do have a long acting mechanism. doesn't it take like 6 months to recover from it? what if you got bad s/x you're in for a long ride?
  9. T

    No feeling during ejaculation

    i would never touch selegline, MOA's can be hell. it can take months and months to go back to equilibrium once you stop that stuff
  10. T

    No feeling during ejaculation

    I tried wellbutrin for zyn withdrawal (done it now without it). even at 150mg was anxious and felt like shit. don't have the issue with smaller doses instant release, something worth trying if XR is too much. seems like wellbutrin is one of the 'better' antidepressant meds out there
  11. T

    anyone take TRT alongside mental health medications like Prozac(SSRIs) and Adderall or vyvanse?

    my mental health improved massively on TRT. i tried some vyvanse and dexedrine for focus, and both of them mess up sleep and should not be taken daily, 2-3x a week max IMO. i would also highly advice against SSRI's. zombifying drugs, hell to get off after longer term usage. i've been taking st...
  12. T

    No feeling during ejaculation

    i tried both armour thyroid 60mg and this NDT. I will stick with NDT as it seems to work as well, plus is a lot of cheaper and has a wider array of thyroid hormones. plus i pref cows to pigs.
  13. T

    No feeling during ejaculation

    it is complex for sure. i think the recomp effect is real, i would guess that it mainly has to do with calorie restrictions though and not thyroid up/down. on pure carnivore, which is the way to go with keto IMO, you just eat less. i had a hard time getting 2000cal in (at 3200 maintenance). i...
  14. T

    No feeling during ejaculation

    if thyroid hormones do a better job why does tsh go up then, not sure you would think it would go down? have not seen good evince yet (openminded as always). my gym performance tanked hard on pure keto. NOT worth it, huge losses, even after months no recovery. I see 0 good reasons to be on keto...
  15. T

    No feeling during ejaculation

    my TSH was 2.5 on keto, now it is more like 1.5 (doing loose saladino diet). i tested once after a 48h fast and TSH went to 5. since i was already on TRT, no personal exp. with test, but heard I believe saladino? i believe for optimal Th functioning you need carbs/sunlight, i dont recall the...
  16. T

    No feeling during ejaculation

    so many amazing responses here. i too noticed that orgasm sensation varies. while not low carb anymore, i had a bit higher libido and better orgasms on keto. in non TRT people low carb can tank both thyroid and testosterone. i feel like stress can definitely worsen sex. high cortisol. One item i...
  17. T

    Testosterone propionate supposedly the best ester?

    only reason you would want to wait 8 weeks if you switch from Cyp to let it clear. prop reaches steady level by day 3-4 or so. my personal exp. is that I reach rough peak 4h post injection. 2h post it does not show at all. i do subq. i mentioned this couple times i think, but the swings with...
  18. T

    Fat loss diet optimization ++

    yep, so that is a good tool to have if you lifestyle/diet doesn't match, or you plan on overeating, going out etc. on a day to day basis if everything is tuned in it seems a waste of money
  19. T

    Fat loss diet optimization ++

    IMHO berberine is beneficial if your diet is shit and you are pre-diabetic. TBH if you got fatigue after a meal you are eating garbage. i don't care if its organic oats or the best sounding shit out there, fatigue is absolutely not normal if you eat the proper foods. there might be some...
  20. T

    Who does not need to use an ED med?

    interesting...never heard about Thyroid or adrenals. i've been taking it sporadically, maybe it is time to take 5mg daily. also on Tprop.
  21. T

    Who does not need to use an ED med?

    I don't need them. what i noticed, and i think many guys too, that not only you get better erections with it, it has added benefits, better gym pumps etc.
  22. T

    Testosterone propionate supposedly the best ester?

    i use defy prop. i also tried UGL/ mct based prop. no diff tbh. to swings are expected. and on prop it is day and night for me. i've ran a course of Tcyp lately for some time to finish some older defy cyp, no the same for sure.
  23. T

    Fat loss diet optimization ++

    at 50usd this is less then 1/2 of what empower charges. if the quality is good, its a good price
  24. T

    Fat loss diet optimization ++

    not difficult. grok AI gives you good instructions lol. need benzyl alc, regular carnitine (not any of the l- etc versions), distilled water - or just buy bac water, i know pharmacies in poland for ex. sell it. they key is to get good quality carnitine. you can buy all stuff in EU 100%
  25. T

    Fat loss diet optimization ++

    I made my own. i have instructions somewhere. yes - some people say this is crazy lol. defy/empower has IM/subq version, 500mg/1ml. various sites sell up to 600mg/1ml IM versions.
  26. T

    Fat loss diet optimization ++

    i tried cardarine - cause paradoxical reaction - felt like hell, could not lift from couch. carnitine is good, especially injectable. oral works to, i use car-l-tartate, but you need higher doses and it causes GI issues at some level i tried linorma t3 - felt like shit, revved/anxious, would not...
  27. T

    Low ferritin but high iron levels??

    no, 0.11cc is 11mg Tprop as most will be 100mg/1ml (even ugl ones i've seen) once the cyp clears your system, Tprop will take ~4 days to reach a steady state, but remember there will be variations in time of day when blood is taken. i personally reach the max 4h post injection
  28. T

    Low ferritin but high iron levels??

    here is how I personally would approach, first of all, if you not supplementing pregnenolone (not clear from your response), start with this before doing anything other changes for a week or so if you decide on Tprop I would start with exactly the same dose you do EOD. EOD with Tprop might not...
  29. T

    "Needing" 300mg a week

    with HCG, i recently lowered it to 3x500IU. no AI or anything, my e2 ~50pg/ml
  30. T

    "Needing" 300mg a week

    I do well on 210mg Tprop. and i am super sensitive get anxious quick guy. ~35mg/day is my upper limit, and I don[t think it is due to e2. just too revved up, tried 40mg/day and definitely too much, but I do believe that there is a very few guys who need 300mg/week to feel good. there is no data...
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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