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  1. K

    Doxazosin and Testosterone

    Just started 1 mg Doxazosin for mild BPH, directed to use 2 mg if I so choose. It not only works on the prostate, but allows more blood flow to penis, IMO, which is cool. My question: I saw a study online that suggested Doxazosin may lower serum testosterone levels in rats. Don't want that...
  2. K

    Anesthesia and Testosterone

    Hi all I recently had to undergo an appendectomy and just a few days after, I started feeling really anxious...a little down...not as sexual. Assumed this might be normal, but then started wondering if the anesthesia specifically messed with my test/hormone levels. Thoughts? Thanks. Kaes
  3. K

    HCG USE IN MEN OVER AGE 50

    Hey guys. Looking for input. A friend told me he read an article that said HCG tends to be less effective in men over 50. Has anyone ever heard of this? Thanks Kaes
  4. K

    Weight Gain on Doxazosin

    Hey guys Considering 1 mg doxazosin and wondering if anyone currently taking it at this dosage has experienced weight gain. I read it was a possible side effect. Thanks. Kaes
  5. K

    Study re: bi-weekly injections

    Hi guys I'm considering bi-weekly injections to better manage hct, then I saw this... thoughts? Now i'm confused. Thoughts? Thanks, Kaes American Urological Association
  6. K

    Kidney stones and Flomax

    Anyone ever get them and take this stuff? I have a couple. Nothing large or awful, but doc prescribed Flomax and I'm hesitant because I've heard bad things over the years. Thoughts? Thanks Kaes
  7. K

    Estrogen and high BP

    In an interesting thread Nelson posted recently, I walked away with the understanding that excess estrogen in a man can cause a rise in estrogen levels. Was I correct in what I think I understood? This would explain a lot for me, personally. Thanks.
  8. K

    Losartan

    Hey guys, I know many have discussed this drug, but I'm curious if anyone has comments re: side effects or better alternatives. My BP is pre-hypertension range, so still doing research. To be honest, Test does seem to be a factor, but it's not like I can stop at this point. Thoughts? Thanks.
  9. K

    BPH and testosterone

    Anyone have experience with BPH while on test? If so, did you find that gels exacerbated the prostate mores than injections? And, if so, how did you manage? I had some "swelling" marked by slow urination and some slight discomfort. It has passed, but I want to educate myself moving forward...
  10. K

    Injectable & Gel/Cream together?

    Hi Curious...anyone use both a gel/cream AND an injectable? If so, why and benefit? Thanks! Kaes
  11. K

    Is less more?

    Curious what you guys think about this interesting T situation: So, when I'm resting at about 700-750, injectable or gel, I look and feel great, but my libido is often weak and erections also average. Over the years, I've found that at around 450-500, though I'll have slightly less energy and my...
  12. K

    Horny Goat Weed

    Hey guys, So...I tried this stuff, 20 icariins, and it really seems to make a difference...enhanced libido, thicker, fuller package...just a good feeling all around. but...i'm concerned that it might be the cause of some prostate swelling. for the record: i monitor prostate health...
  13. K

    Vitamin D3

    all, how strongly do you feel about Vitamin D/D3 as a daily supp? and, what have you found--or what do you know--to be its benefits? thanks kaes
  14. K

    Applying compounded test cream

    Hey guys A question: Is there a risk in applying compounded testosterone cream (not pharm gel) to the scrotum? Better? Worse? DHT issues? Thanks! Kaes
  15. K

    New Guy Here- Stopped testosterone due to high hematocrit

    Hey guys, New here. Great site. Impressive knowledge and leadership. So...I've been on T for 5 years. Started on gel, which jacked my numbers nicely, but started to elevate E. I learned how to manage the E by cutting back on my T dose a bit. I was not into taking an AI. Still prefer not to...
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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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