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    Doctor is sending t-cyp Rx directly to a compounding pharmacy - is this normal?

    Today, my doctor wrote a prescription for 0.5ml (100mg) t-cyp per week (eg. one 10ml vial). The doctor said he was sending the Rx directly to a compounding pharmacy as it will be much cheaper for me in the end. He said I'll get my t-cyp in the mail. Is this normal? I expected to get a...
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    Testosterone Level & Muscle Building Relationship

    Just how much does testosterone matter for building muscle? I know that guys who use AAS get themselves up to ~1500-2000 total testosterone. If I go from 350 to 700, does that mean I'll build muscle twice as fast as I was before? Assuming eating enough and getting enough rest.
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    Hello! - My TRT Journey

    Background I'm 32, 5'10, and at around 30 my libido tanked. I didn't notice at first because with an ex-wife, a kid, a girlfriend, a job, etc... I'm a busy guy, so not having sex as often didn't really register too high on my list of shit to care about (though it was definitely taking a toll on...
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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