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    IGF-1 Level: Cause for Concern?

    Current protocol: 40mg Test C three times per week. 250iu HCG three times per week. DHEA/Pregnenolone 25/15. I'm 39 years old. 5'7" 185 pounds. Low body fat. Started TRT last October when I tested at 315 on labcorp's scale. Attached are my last set of labs (from February). Pretty happy with...
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    Injection Timing

    I currently inject .20 ml (40mg) 3x per week along with 250iu of HCG. Instead of M-W-F schedule, I do F-Sunday-Tuesday, just so I get a day to inject on the weekend when I don't have to rush for work. Typically I inject on Friday at 8:30am and on Sunday between 8:30 and noon, depending on...
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    Injecting Testosterone and HCG in same syringe

    Maybe I'm overthinking this, but my current protocol calls for three days a week injections of testosterone and HCG (on same day). I've been injecting both separately sub q. How can I most easily combine them into one syringe to cut down on the number of injections? What is the simplest way to...
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    Latest Labs -- Low Ferritin, elevated E2

    Current protocol is: 120 mgs of test cyp split into three 40 mg injections a week subq or shallow IM 250iu of HCG injected on the same day as test injections DHEA/Preg 25/15 taken each night Here are my latest labs. http://imgur.com/a/EdELp My next appointment is not until the very end of...
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    Needle Size

    I've followed the advice I've read on other threads and just ordered a 27g 1/2 inch insulin syringe. Since I started in August, I've been drawing with a larger needle and switching to either a 25 or a 27. Will I really be able to draw with the 27g 1/2? Also, there won't be any dulling of the...
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    Estradiol Question

    So, here's my deal. I'm 39 years old, low bodyfat. Workout six times a week. Current protocol: 150mg test cyp injected IM once per week 300iu HCG injected sub Q twice per week Have anastazole .25 mg tablets, but have not used it yet. First injection was August 19, 2016. I worked with a...
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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