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    Muscle Gains After 12 months

    I've now been on my treatment for 8 months, Sustanon 150mg E5d. As I'd hoped it's improved my sexual function and a general sense of well being. I knew a positive by- product would be muscle gain. Whilst I've seen some moderate gains I would say it is what I would expect as I train 5 days a week...
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    Applying for my shot gun licence UK- Will TRT be an issue?

    Hi, I'm UK based, male, 37 and treatment is 125ml Sustanon e5d. I'm currently 6 weeks in to treatment. Over the last year I've been going clay pigeon shooting with a friend who has a licence. I'm really enjoying it and plan to apply for a licence this month. UK gun laws are very controlled...
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    Resting heart rate very high

    Hi, I'm just over 4 weeks into my treatment. 37yr old and treatment is 125ml Sustanon e5d. On Sunday 20th September (3 weeks in) I felt a lot hotter and almost giddy. I checked my BP and heart rate, bp was good but Rhr was in the 90s. I've been tracking it since, even bought a fit bit. My heart...
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    Eye spy a STYE

    Afternoon folks, I'm now 4 weeks into my trt treatment (125mg Sustanon E5d). I'm happy with the progress and know I'm very very early on in the process. So this weekend I woke up a with a painful stye in my eye lid, had a look in mirror and possibly more than one on same eye. In my early 20's...
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    So many post on low Shbg, what range is low shbg?

    New to the forum and very new to trt (only 10 days in). I've had 4 tests pre trt over 18m and all with shbg with following results: 23 (latest and lowest) , 26, 31, 34 nmol/L. Should I be worried about having low shbg? Currently my protocol is e5d 125mg Sustanon. Do I need to move to EoD or...
  6. D

    Just started TRT and looking for advice on next steps

    Hi folks, Been reading the Excel forum for the last few months whilst progressing my TRT journey (started 18m ago). Last Friday I started my programme, 125mg (0.5ml) of Sustanon250 E5D. I'm doing IM into the glute and the first jab went well. I had all the usual symptoms: poor...
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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