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  1. J

    Muscle gains on TRT vs overdosing

    100-125 mg of test cyp a week is definitely advantageous for muscle growth. Being at the high range of "normal" to just over the top of it is going to help you build consistent muscle for years to come. However, learning proper form, progressive overload, training frequency, getting good...
  2. J

    Personal Nandrolone Experience

    I wanted to place a quick log on my two-month cycle of Nandrolone to help with the growing body of evidence of user experiences for this forum. I was prescribed 60mg of Nadrolone per week by Defy Medical (taken three times in the week at 20 mg doses each). This is along with my 100 mg of Test...
  3. J

    Defy Medical Phones Down?

    I am not sure, but I just had a consultation with a nurse practitioner from Defy about a week ago. When trying to get my subscription, I saw a message saying that there was very high demand right now and the prescription might not be filled for a while (though I did just get an email today...
  4. J

    New Member -- Will Take All the Advice I Can Get; Initial Questions re Dose

    I had a consultation with Defy Medical, and they checked my SHBG. It was below 10, (9 something) and the nurse practitioner explained to me that the lower the number is, the more the body metabolizes the testosterone, thus it runs through my system more quickly. She said because I was below...
  5. J

    New Member -- Will Take All the Advice I Can Get; Initial Questions re Dose

    I completely hear you. When my Urology Clinic gave me 400 mg once every 3 weeks, I felt absolutely amazing for the first week and half. Then I began to crash. The following week and half was hellish. Now that I am more stable, and generally feel alright, it still seems like something is...
  6. J

    TRT and Improvements over Anxiety

    I know this has been discussed on the forum, but I wanted to relate to how much TRT has improved my anxiety for those who search and ask about this issue. For most of my life, I have had GAD (Generalized Anxiety Disorder). I take an anti-anxiety medication called Clonazepam and have been doing...
  7. J

    Hair Loss & Acne Side Effects

    My hair started to thin after TRT, but I was prescribed finasteride. I have heard absolute horror stories about finasteride, and I did not decide to try it lightly. However, I am one of the few fortunate individuals with no side effects, and it stopped my hair from thinning. I have had...
  8. J

    New Member -- Will Take All the Advice I Can Get; Initial Questions re Dose

    Aye. It is ridiculous that doctors do this to men who need TRT. They place us on programs that shoot our T up to supraphysiological/bodybuilder ranges and then let us fall to near hypo-gonadal in the span of 2-3 weeks. It is sad to say that I learned more from Reddit/Youtube about my TRT...
  9. J

    New Member -- Will Take All the Advice I Can Get; Initial Questions re Dose

    The Trt side of my Urology clinic did the same thing with me by starting me at 400mg once per 3 weeks. The yo-yo side effects were atrocious. I got them to let me inject 100mg once a week at home, and have been doing well ever since. However, I am trying to optimize it now and will split to...
  10. J

    Normal Total Testosterone, Low Free T and E2 - Would you start TRT?

    I had similar issues. I am 40, had test around 500 and Free Test of 6.2. For three years I endured low energy (it was an effort to get up out of a chair and I am skinny), low libido, difficult to put on muscle, depressed, and I had no motivation. My Primary Care Doctor thought my numbers were...
  11. J

    L-Carnitine and Increased Hematocrit

    That is good to hear, actually. Since I am only 4-5 months into TRT, I think I need to give my body time to stabilize the hematocrit/rbc/etc. However, it is good to know that L-carnitine can help people and not cause blood issues!
  12. J

    L-Carnitine and Increased Hematocrit

    Thanks. That confirms what I already read about it, so I will lay off of L-Carnitine.
  13. J

    L-Carnitine and Increased Hematocrit

    Hello, all. I have been looking into L-Carnitine for the weight loss benefits and was just about to start using it when I saw a medical study on Healthline revealing potential Hematocrit increases. ( Effects of L-carnitine supplementation on renal anemia in poor responders to erythropoietin -...
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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