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  1. Y

    TRT 4 weeks in TT 454-758, FT 4.7-10, E 17.2-42.4

    Seeking advice on my protocol and go forward recommendations given the following: Just started TRT 4 weeks ago, did a baseline blood work on T & E: TT = 454 FT = 4.7 E = 17.2 My protocol: 100mg T-cyp 2 times per week (Mon & Thurs). 200mg total for the week Plan to add HCG and AI's (as...
  2. Y

    Pregnyl HCG is it safe to use 7d past 60 days??

    No safety concerns. It may lose some potency, but within days of the 60 day deadline it will lose very little. Drug companies typically design to 50% greater than the publication shelf life (shelf-life's are published after massive studies on degradation, stability, formulation, and shelf-life...
  3. Y

    Anyone use Chrysin as an AI?

    @Blackhawk - agreed AI are a last resort in my opinion as well. My pre-TRT protocol levels of estradiol-sensitive are 17pg/ml. I was just seeking experiences on alternatives to arimidex, given its potential side effects and didn't see any threads in this forum on natural extracted...
  4. Y

    Anyone use Chrysin as an AI?

    @Vince - I purchased Chrysin 500mg pills from passion flower extract, not cream (pills are $10 bucks from Walmart). I may use this as a design of experiment if my E gets out of balance, as I am brand new to the TRT therapy. I try to avoid any chemically synthesized medication pills (like...
  5. Y

    Anyone use Chrysin as an AI?

    Thanks guys, really appreciate your experience/opinion on this... FYI: Just started TRT, so don't have my protocol dialed in yet. Pre-TRT: 454 TT, 4.7pg/ml FT (labcorp low end 6.8pg), E-sens = 17.2... Desire to get my FT >20pg/ml... Starter TRT protocol: 150mg for a week, split into 2...
  6. Y

    Anyone use Chrysin as an AI?

    Great site and forum for dosing and experience on Anastrozole - Arimidex, but there are quite a few side effects for some. Does anyone have any experience using Chrysin to manage and dial E into balance? dosing, any broscience experiences welcome. FYI- The NCBI study using urinary...
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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