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  1. S

    Gonadorelin negative feedback

    I'm on Natesto (3 applications daily at 6am, 12pm, 6pm) and think it works to increase energy levels, but I have not noticed a libido enhancement. I previously used a combo of HCG + Tlando and did feel libido improved, but I was only on it for a month. This makes me wonder if Natesto is a bit...
  2. S

    HCG Monotherapy experience (just sharing)

    Prior to HCG monotherapy baseline: Total T ~350ng/dL SHBG ~17 nmol/L Estrodial ~25 pg/ml Free T ~13pg/mL. I was prescribed HCG 3x per week at 300 units each day. Results: Total T 326ng/dl SHBG 11 nmol/L Estrodial ~25 pg/ml Free T ~20pg/mL I should note that LH/FSH were 7/2 respectively before...
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    HCG monotherapy and recovering the HPTA axis

    I am 36 with total T ranging from 350-400 ng/DL over several tests in the past twelve months. Other relative datapoints: SHBG is low (16.6, reference range: 16.5-55.9), LH at a decent level (6.8, reference range: 1.7-8.6). I told the doctor that I wanted to try Natesto/Troches, but he...
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    Primary Hypogonadal?

    Background: 36yo male. Low T symptoms such as low libido, fat accumulation in belly, and difficulty recovering from workouts. I should note that I am not overweight and lift weights regularly. What I mean to highlight here is that I've always had an easy time remaining lean and that's...
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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