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  1. rafapark

    I can't ejeculate all the sudden

    I have been on TRT for over 4 years. I take 160 mgs of Cypionate per week divided on 2 shots. 50 units of HCG. Same protocol since the begining. I test every six months. All labs have been really good since I started. Morning wood, strong erections and libido. No issues. All the sudden out of...
  2. rafapark

    LDN and Desiccated Thyroid

    I posted something similar on a nutrition thread. Is anybody taking both LDN and Desiccated Thyroid together?
  3. rafapark

    Testosterone injection frequency and SHBG

    I searched the forums but could not find the answer. For those of you who have increased injection frequency, have you seen an increase in SGBH? Does changing injection frequency have any impact on SHBG? Thanks
  4. rafapark

    Sermorelin/Ipamorelin combo

    Is anybody in this forum taking this combo? I have been taking the GHRP-2/Sermorelin combo from Defy for about six months with pretty good results. IGF-1 increased from 100 to 200 and has remained as such. I have lowered my body fat to 15% from 25% and increased lean muscle significantly (dexa...
  5. rafapark

    Metformin and SHBG

    I have been doing some reading on Metformin and also in Jay Campell's book where he supports the use of metformin for anti aging purposes. I also watched the Nelson's video with Jay. There is a thread in this forum that also that talks about metformin and its relationship with SHBG and...
  6. rafapark

    The more I learn the more confused I am - DHEA and Estradiol

    These are my blood markers - all Labcorp Total Testosterone: 1080 ng/dl Free Testosterone: 19.2 pg/ml Estradiol sensitive: 34.2 pg/ml DHEA : 103 ug/dl IGF-1 : 206 ng/ml I started TRT in April of this year This is what I take Cypionate: 74 mg twice a week (0.37 ml twice a week) . (started with...
  7. rafapark

    Beta-sitosterol

    Hi Guys: Is anybody taking beta-sitosterol? I did not find much information in the forums on this and what I found in the internet is confusing and sometimes contradictory. I read beta-sitosterol inhibits activity of 5-alpha-reductase and Testosterone is metabolized to DHT by the enzyme 5...
  8. rafapark

    Questions new protocl

    Hi guys: I've been in TRT since April of this year. I started with a local clinic and then switched to Defy on July 1. Before switching to Defy in July 1 these were my markers (all labcorp) and protocol: Protocol before Defy: T cypionate/propianate : 80 mg twice per week Anastrazole: 0.5 mg...
  9. rafapark

    Blood work and TRT input

    Hello Guys: I’ve been in TRT for about 3 months and I am puzzled about my blood work. I am switching to Defy from a local clinic in June. In the meantime, I’d appreciate some input. I am 61 yo. Baseline results: BLOOD WORK 1 1/15/2018 Estradiol (non sensitive): 30.8 pg/ml Testosterone...
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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