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    Headache, numbness, feeling ill, 54% hematocrit

    Hello all I have been dealing with some symptoms lately and I think it may be due to my hematocrit. Light headaches all day for 4 weeks, numbness occasionally in hands, weakness in arms and legs occasional, feeling dizzy, nauseous. Went to Kaiser last week, bloods looked perfect except...
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    Face Bloat continues. 6 months TRT, E mid range

    Hello Wanted to see if anyone had any thoughts on face bloat that is most likely not because of estrogen? Whats crazy is Ive lost weight and trimmed up since starting. But my face is larger... doesnt make me feel good about how I look. My carbs are average, my cardio could be better. But...
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    New batch of Testosterone from Empower - rash and low t symptoms

    Hello all So this is the first time I am refilling my testosterone. My first 4 months have been pretty good! Got my levels up and feeling good. So I ordered a refill (Defy) and got my next batch of two bottles. The outside box looks different (white box versus a black-purple graphical box)...
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    .05ml waste every injection :( working with Defy, prefer my 1" 25G for deep IM.

    Hello all So I needed more test, but Defy said I was two weeks early to ask for more. I've been doing the exact dose they recommended. I was shipped syringes that are 1" long, 25G, I really like them because I do do deep IM. However, I noticed today that my waste was close to .05ml. I inject 3...
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    At what levels is IGF-1 a concern?

    Hello My blood test from a few months ago indicated a IGF-1 of 294. I am 33 years old. At what level is it a concern, if anyone has experience with this? I googled it and obviously googling high IGF-1 is scary haha. Now I'm connecting my joints in my fingers hurting and my slightly sausage...
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    Results from testosterone treatment after 4 months, feeling great now

    Hello all, Just wanted to post my current blood test results. Quick summary of my journey: Was low T and Low E after misusing things in the past. Muscle mass over time went away, pale skin, losing hair in a diffuse pattern, lost some eyebrow hair, felt like absolute crap, pains and aches...
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    Clomid to TRT, should there be "rest period" in between?

    Hello, Moving from Clomid to TRT with Defy. Stopped using the clomid due to vision issues, but can I just jump right into TRT? Used clomid for about 3 weeks or so. What are thoughts about this? I tried searching the forum but couldn't really find an answer for it. Thanks all.
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    2 weeks in with Clomid, working with Defy

    Hello all, Started my Clomid therapy with Defy. Not for fertility. 12.5 ED. First week or so felt really good, low test symptoms (zero libido, foggy brain, super dry skin, thin hair but no MPB, etc etc) seemed to slowly get better even within two weeks. Sounds crazy but it is true. However, I...
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    Blood work, initial

    Hello, Just wanted to see if anyone wanted to chime in on my blood work before I work with Defy. Last 2 years or so very tired, bloated, no libido, hair thinning and drying, face changes, facial hair grows incredibly slow, muscle mass loss etc etc. My test levels when I approached my Primary...
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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