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  1. Nighthawk

    High Hematocrit: Effect on Blood Pressure & Effect of Altitude on Hematocrit

    Nelson, from your experience and what you know from others....do men on TRT who currently live at sea level and have a stable Hematocrit/Hemoglobin that sits usually in the low 50's....If I were to relocate to a higher elevation location like 2,500-3,000 ft would my Hematocrit and Hemoglobin...
  2. Nighthawk

    Issues ED and TRT

    Systemlord, Can you tell me what your entire protocol is now? I've read a lot of your posts and seem to be a lot of similarities. I am very "different" in the way my body resonds to anything I put in it. Thanks!
  3. Nighthawk

    Where to buy Ibutamoren mesylate (MK-677)

    Their prices seem to be very cheap compared to some other peptide sites...I was also looking for a good Ibutamoren and Cialis source.
  4. Nighthawk

    TRT without the use of Aromatase Inhibitors

    Do yourself a favor and wait until you get your labs, unless you absolutely know your body and what high e2 feels like for you. I would just take your testosterone before adding hcg and or AI into the mix. Adding in 3 or more elements into your protocol before you even have your first labs is a...
  5. Nighthawk

    Long-term TRT with no HCG - Experiences?

    How are your testicle looking on this protocol without HCG? Additionally how is your libido, erection, semen volume etc. I ask because my body appears to not agree with HCG well at all....even 250iu gives me severe hot flashes and sick feeling for a couple days.
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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