Recent content by Donnyy

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    The Best Time of the Day to Workout

    I agree with others that the best time to exercise is when you are full of energy. It's always different for me at different times of the year - in spring and summer I exercise in the morning before work, in autumn and winter in the evenings. Sometimes I feel very tired, but I still try to do...
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    Imbalances in body

    Have you already purchased a bicycle? Have you managed to fit it into your daily routine? Do you consider cycling a cardio workout or just a way to be more active?
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    Omeprazole Discontinuation

    I have been taking Omeprazole for 4 years. His task was to protect the stomach from the effects of non-steroidal anti-inflammatory drugs, which I also took for 4 years (not prescribed by a doctor). Luckily, I'm now pill-free. Omeprazole protected my stomach and I couldn't find any other...
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    Why Are Men Having Fewer Friends ?

    When I was little, we moved to a new city with Mom and dad. Sometimes dad drank, and then he complained to me that mom made him move and it was difficult for him here. He had no friends, only colleagues at work. He spent a lot of time with us, but still communication with friends is necessary...
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    TRT Manual or TOT Bible

    I've heard a lot about this book and I understand that I need to read it asap
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    Ways to Deal with Depression and Anxiety

    That's interesting how testosterone can alleviate depression...
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    Free Mental Health Apps from the VA System

    I was looking for these apps and found your recommendations, thank you!
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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