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  1. R

    Does hematocrit keep increasing after testosterone steady state? How often to check?

    I donate every 2 months, is next to my work, easy and takes about 40 minutes total, but keeps my levels great.
  2. R

    Subq vs im

    Leg IM sucked for me, every other injection seemed to cause pain in area for days and sometimes a lump. Plus lots of bleeding(could be because I was prescribed 23g needles) . SubQ, zero blood(with 29g) (I use stomach area) if I feel any pain at all, I just move it over slightly. Now I...
  3. R

    Subq vs im

    I did IM for months and dreaded it every time, pain in upper leg, bleeding, was using 23g needle. So I decided that sucked and bought some 29g insulin syringes online and started subQ, every 3.5 days, so much better. I noticed on IM my levels came up faster, then went down faster. On...
  4. R

    E/E2 concerns/questions

    Split the dose from 100mg a week to 50mg every 3.5 days. My estridol went to 170+ can't remember exact #, but Dr had me on 400mg every 2 weeks. Was horrible experience, so now I take 1/2 a anastrozol every 3.5 days with the T. Keeps me at 24-25 estridol at every lab test over the past year.
  5. R

    Most common total weekly dose for cypionate/enanthate

    I was on 100mg a week, but my T levels were above max on labcorp scale, so I cut down to 80(split up in 2 40mg doses) but I do drop to 70 a week when I start getting bad back acne. So with me, varies by lab results and symptoms, so 70-80 week has been good. I also take 1 anastrozol a...
  6. R

    Does hematocrit keep increasing after testosterone steady state? How often to check?

    I seem to feel better after blood donations. Might be a placebo effect but toward the 2 month mark I feel tired. Actually except for first few weeks, TRT has never given me better energy, just better feeling mentally and easier to lose weight even on the small dose I take. I have worked...
  7. R

    Does hematocrit keep increasing after testosterone steady state? How often to check?

    Ugh, ok, will check that next lab. Reason I was put on TRT was I did a physical in 2016 and first time my Dr checked my T level and was in 90s, he checked because I couldn't lose weight. So far in 1 year lost 71 pounds, but I have to take anastrazol or my estrogen goes up quick. 1 month...
  8. R

    Does hematocrit keep increasing after testosterone steady state? How often to check?

    Everytime I donate blood, they test to make sure iron level is high enough, so far has been normal except last time was a little higher than normal. My TRT experience started out bad, my Dr was not informed well on trt and put me on 400mg every 2 weeks, my estrogen skyrocketed to crazy...
  9. R

    Does hematocrit keep increasing after testosterone steady state? How often to check?

    I have been on TRT for 16 months, my hematocrit levels starting going past the max value after 2 months. I started donating blood every 2 months and levels have been perfect. I stsrted at 50mg every 3.5 days and 1/2 a anastrozol. My estrogen levels are always perfect, but my T was sometimes...
  10. R

    Should You Be Injecting Testosterone Under the Skin?

    When I first started trt about 14 months ago my Dr was not too informed on trt and put me on 400mcg every 2 weeks and a 23g needle. Told me to inject in upper leg, was terrible, bleeding etc. Then shortly after at about a month, my E2 went to over 170+ over 5 times the level I should be...
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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