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  1. P

    SHBG Changes after Keto

    Started the Keto Diet October LY. A1c 6.0, fasted Glucose 128, BP 140/85. 20 lbs over weight. Doc was alarmed with my steady increase in certain blood markers and possible insulin resistance and encouraged me to act. Fast forward I guess the results are what you would typically expect to...
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    Daily Cialis

    I have seen a lot of folks on here that take cialis as a part of their NO stack daily. Many take it 2x a day. Considering the 1/2 life of the drug, once you build steady state, is there Any real advantage to dose 2x day vs just ED?
  3. P

    SHBG Dropping

    Haven’t posted in a while, but I am working through a baffling deal. When I started TRT 4 years ago my SHBG was 46, it fell into the 30’s and stabilized there for a couple of years….I have been on same T dosage range for well over a year now of 120 mg week divided E3.5D. My SHBG has fallen...
  4. P

    Going to give No HCG a go.

    I know this is one of the most divided topics in TRT, where many opinions and theories abound. I have been on HCG for two years mostly because of the “refilling the pathways” theory. I have never felt anything positive from it. I also supplement preg and DHEA at the request of my doc. My...
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    Search Function

    Any updates when the search function will be fixed?
  6. P

    HCG and BP spike?

    I have been having some issues with elevated BP over last 6 months and started checking it 3 times a day and logging results, as the doc tweaks my meds. During this process I have learned that the 24-36 hours following my HCG injections my BP is 15-18 points higher on average than other days...
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    L Norvaline

    Just posting as I have used L-Norvaline in my preworkout stack for quite some time. Not sure at the small doses I have taken this is relevant....but something to consider before, or to continue taking. What is L-Norvaline?
  8. P

    SHBG Keeps Dropping

    When I started trt my SHBG was 51 on a range of 19.3-76.4. My trough T has settled around 850-900 with a free T of 28-33. One peculiar thing is while my T has stabilized at a consistent place, SHBG keeps dropping. My last 3 labs were 37, 32, now 28. While trough total T was 876, 842, 883...
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    Thoughts on free T lab results

    Looking for some thoughts on my latest labs. I switched to ED dosing 12mg T Cyp in September from 50mg E3.5D. My labs in November were 900 T with 32 Free T. This was up from 28 Free T in August. Got my latest T numbers back today and my total T was 862 and Free T was 38. My E2 and SHBG...
  10. P

    No Phlebotomy Today!!!

    I have been on TRT now starting year 3. Overall the treatment has been a success, with one caveat many of us suffer with.....polycythemia. I have been on the rollercoaster of phlebotomies every 2-3 months since my start. I have tried dosage reductions to the point I started daily injections...
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    Labs are Back

    After switching to daily injections about 8 weeks ago, time for some labs....I was on a protocol of E3.5D 50mg each/.125 Anastrozole on shot days, 300iu HCG on T shot days. New protocol 12mg daily T, no AI, 300iu HCG E3.5D. I wanted to try a daily protocol to hopefully drop the AI and spread...
  12. P

    Going to Daily Injection

    After my consult with Defy, we decided going the daily injection route is best for me at this point. I want to try and drop the AI and reduce my phlebotomy frequency. The major question for me is, I have read that daily injections typically require less total testosterone injected weekly. I...
  13. P

    HCT and HGB

    Guy’s, I am looking for a little insight from those that have Rising HCT and HGB due to trt. Subsequently, as many, I am taking my Ferritin too low with frequent Phlebotomy. I have seen mine somewhat start to stabilize over the past year, but still over range 30 - 60 days after phlebotomy. I...
  14. P

    “Highish” SHBG protocol question

    I have been on e3.5d 50-60mg test c protocol for the past 3 months. I pin HCG on same days at 500iu. My question is two part: 1) my SHBG runs mid 40’s and I have to keep my total T consistently above 1200 to get to the 2% free range.....would I be better served to go to a weekly injection...
  15. P

    Confusing T Levels

    Just received my most recent tests back today and am a little confused. I have been on 50mg test c E3.5D and 500iu HCG E3.5D for last 10 weeks. My total test levels with same T injection schedule was 986 prior to adding HCG. After adding HCG my total T levels have lowered to 846 total T at 5...
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    Thoughts on latest labs

    Just got my 6 weeks labs back after switching to Defy for HCG. Initial labs at consult were: Total T 1117 ng/dl range 264-916 Free T 29.7 pg/ml range 7.2-24.0 Estradiol sens 45.3pg/ml range 8.0-35 Shbg 46.2 nmol/l range 19.3-76.4 DHEA-s 116 ug/dl range 71.6-375.4 Progesterone .4g/dL range 0-.5...
  17. P

    Starting HCG question regarding T and E2 levels

    Just had my consult with the doc and I am adding HCG to my regimen. I inject E3.5D 50mg test c and will be adding 500iu HCG on the same injection schedule. I know all of us are different, but wanted some feedback on the effect of adding HCG to both E2 and testosterone. My total test is 1117...
  18. P

    T level question after going to E3.5D

    Hello all, I am a little surprised at my recent test results and wanted to get some insight from those who transitioned from weekly injections to E3.5 days. On 100mg Test C my Total T average levels on weekly injections was 850 total T and 19.5 Free T. After 5 weeks on twice weekly of 50mg...
  19. P

    Hello

    Hi all, I just wanted to say thanks! I have been lurking here for a while now just gainIng valuable knowledge. I am 50 years old and have been on trt for two years. I am currently under the care of my hematologist and will continue to be, as I have hemochromatosis which complicates trt a bit...
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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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