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    High Iron - Low Ferritin

    On my last blood test (June 21st) my Iron is too high and my Ferritin is at the bottom of the range. I've read Ferritin needs to be at least over 70 ng/mL but around 100 ng/mL is optimal. My last blood donation was April 08, I stopped donating because on May 07 my Iron and Ferritin was really...
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    Low Iron & Ferritin - Blood Test

    I donate blood because I always have high HCT on TRT(150 per week/split Mon & Thurs). My HCT usually runs around 53-54 if I'm behind on donation. Blood test was 1 month after last blood donation. Doc's thoughts was to not take iron supplement, to just let things ride for now. No symptoms other...
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    Optimal Thyroid Numbers

    I been looking around trying to find what optimal thyroid numbers are. Not having any luck, everything just gives what's considered in range. Which is a pretty wide gap. Has anyone seen in info on this before?
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    NAC

    I usually only urinate 2 to 3x a day. I started taking NAC, Thorne 500mg twice a day and now I urinate like 10x a day. Is this normal and any explanation why? Thanks
  5. W

    Hangover Libido

    Normally I have low libido, weak erections, sensitivity issues, delayed ejaculation and if I do get off, I'm only good for onetime. My refractory period is a few days. It's more like the mental part of my libido is just not there. I don't drink a lot but If I do go out for a night of drinking...
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    Edema on TRT

    I take 100 mg Test Cyp once a week. I seem to get edema around day 5 thru 7. Then when I take my next shot it goes away. I would have thought edema would be worse when test levels are higher but seems to be just the opposite for me. Any ideas why or anyone else experience this? Thanks
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    Total T numbers

    Got a question about Total T numbers getting higher on lower doses. Been in Test Cyp for 5 to 10 years now. Numbers I'm giving are just from my memory so not exactly accurate and timing on doses is just guesses. When I 1st started doc put me on Test Cyp injections 100 a week. Checked 6 months...
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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