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  1. J

    Body odor after starting testosterone

    I noticed, almost immediately, when I started my trt in August that when I sweat it has a different odor to it than previously. I don't sweat more or more often, but when I do it smells different than pre-trt. I have never seen this mentioned anywhere else before. Anyone else experience this...
  2. J

    Dr.'s visit went well

    I had a follow up with my doctor yesterday. Went very well and he was happy with my numbers. He agreed to add hcg to my protocol. He wanted to start me at a higher dose, but we comprised at 1,000iu per week. I will be doing 34mg test cyp 3x per week and 330iu hcg 3x a week on alternating days...
  3. J

    Blood tests 5 weeks in

    Below is my blood tests after 5 weeks of TRT. Current protocol is 50mg of test cyp subq twice a week (Tuesday am and Friday am). This blood was taken Saturday morning 36 hours after my last injection. I know this is a peak number, but I have a Dr. appointment next week the day before my...
  4. J

    Injection duration

    Basic question I haven't seen any actual guidance on. How long after you "pin" should you take to push the plunger and inject the test cyp. I'm doing 50mg (.25ml) subq injections, and all I see recommended is "slowly". I feel sometimes I am injecting too quick, as I do get a little nodule under...
  5. J

    Getting all the test cyp out of syringe

    I started self injections of 50mg test (200mg/ml, so .25ml) 2x a week last week. I am having a slight issue completely emptying the syringe. I load with a 22ga needle (pharmacy didn't have the 18ga in stock) and change the needle to a 29ga 1/2" needle after loaded. I'm doing sub-q injections...
  6. J

    Anyone "eased" in to TRT

    Just wondering if anyone has eased in to a protocol. Here's what I mean. Goal is 50mg testosterone cypionate twice a week. Anyone start at 25mg twice a week as an introduction for two weeks, then go up to the 50mg twice aweek. You know, "Body, meet your new friend Testosterone. Big-T, this is...
  7. J

    Question on injection days

    For those that don't know, I am not yet on treatment, just researching and planning. I do hope to start in the next month or so. If I do start injections, early mornings during the week are going to work best for me. I'd like to split the injections to twice a week to prevent the ups and downs...
  8. J

    Jk78 case - from before the starting line

    I am at the very beginning of this process. I know I have some work to do, but would like to know if I'm heading down the right path. I have felt a steady decline lately, and I would like to stop it. I'm still fairly young and active, have a great wife and family, and would like to improve...
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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