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    Kyzatrex Health Canada approval

    Has anyone seen any updates on Kyzatrex approval by Health Canada? All I can find is approval was expected by the end of 2025 Q2 and we are closing in on Q4
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    High HCT low iron

    Hi, My labs just came back and surprise, I have high HCT 57.5 and low iron 8.5 umol/l from donating. Can someone explain to my why this can't be fixed with iron supplementation? Seems like the only thing that works is lowering your T dose. I'm only at 60mg twice a week. I feel no side effects...
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    Ballpark free test trough limit

    Hi, I'm worried about getting into the high HCT, low ferritin cycle as I started with HCT at 50.5 before TRT. I know everything is individual but is there a ballpark limit to free T trough that you should try to avoid going above to control HCT? Thanks.
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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