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    Defy and lab draws

    I live in the middle of nowhere in SW Colorado. Nearest Labcorp is 4 hours away. Defy emails me a script for the labs and I take it to the local hospital. BC/BS covers the labs. Hospital emails the results to Defy. Takes about a week to get the results back. I go in and pick up a copy for...
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    TRT, HCG and AI

    Mica, Had my consult with Defy on 12/17. Patient rep called me and put together my prescriptions meds. I had the meds by noon the next day via Fedex. I'm in the middle of nowhere SW Colorado. Defy is very responsive. Bill
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    Hashimoto's Diagnosis

    Coastwatcher, I have a high TSH and my GP had me on 50mcg Thyroxine. Wasn't feeling any different on the meds and did a bunch of research on thyroid issues and asked him to run some additional tests. My GP told me that the TSH test is the "gold standard" and that the additional tests Total...
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    TRT, HCG and AI

    Mica, Just started with Defy yesterday after years of TRT procrastination and several electronic ass-kickings from a buddy. Had my consult with Dr. Crisler. Great session, very thorough, good back and forth discussion. No BS. Has me on 160mg test cyp inject SubQ 2x week (80 mg ea time), HCG...
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    Feedback on Test results

    Thanks everyone for the feedback. Very much appreciated. Will be contacting my doc after Memorial Day and setting up additional tests. Will post again once I get the next lab results.
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    Feedback on Test results

    Nelson, Thanks. My Doc wants me come back in 2 months for additional testing. Not sure why he wants to wait two months, other than I have been experimenting with my diet - calories, ratios, etc., and he wants to see if things may improve on their own. Was on fairly low calorie diet to shed...
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    Feedback on Test results

    Gents, Just got my Testosterone lab results back and would like some feedback. Total 686 ng/dl; Free 104 pg/ml; SHBG 52 nmol/L; Percentage Free 1.5% (L) Not really sure what to think, since I can answer YES on most of the ADAM questions on almost any given day. What if you numbers look good...
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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