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    Tadalafil 5mg Daily Side Effects

    Apologies if I'm in the wrong place to post this, not been here since 2017 so out of practice with the forum. I have been experimenting with Tadalafil 5mg daily, my GP (in England) will only prescribe Sildenafil at 4 a month, I get all the usual side effects from that drug which makes it...
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    Testosterone Viscosity - Injection Advice

    Hi Folks I have been using Gentech Test 300 Enanthate (300mg/ml). Its incredibly thick and difficult to administer. I use 1ml 30g 12mm insulin pins to inject it, typically back-filling the syringe first. At first I was injecting E3.5D and using SubQ at 28mg each (100mg / week), but due to low...
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    High HCT

    Hi Folks My last blood panel came back with HCT at 0.52 (0.37 - 0.5), up from 0.44 in three months. Being in the UK they don't have such a thing as therapeutic phlebotomy, so before I get a Doctors appointment (who is not supervising my TRT) I hope to get some understanding of the types of...
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    Hip and Leg Pain with HCG???

    Hi Folks I started HCG with a 250iu E3.5D protocol and will have my 4th shot tomorrow. I have been experiencing significant lower back and leg/Hamstring pain and it seems this is the only change implemented to my regimen. I'm taking TestoGel daily and my labs were all good two weeks ago. The...
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    Beginning my journey with TRT

    Only joined the site this week but it has been inspirational reading the posts with so many questions and great, clear and supportive answers from those knowledgeable on the forum. If it's OK I'd like to share my journey too, and perhaps attract some feedback from anyone interested in adding...
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    Greetings from UK

    Hi to all I recently discovered this forum, really because of Nelson's YouTube videos. I'll have some info to share and advice to ask later, but in the mean time I wanted to introduce myself and offer some congratulations. I am 61, living in the north east of England. Have had some health...
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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