TRT questions - Low SHBG and Anastrazole use

phalloguy100

Active Member
Hi guys, I have couple of questions about my TRT protocol.

1) In my last labs, SHBG came back low (1 unit below normal range). What effect does that have on things like libido, EQ, etc.? Is it necessary to raise it?

2) Unrelated to #1... from time to time my estradiol has been high. Doctor said to take 0.125 anastrazole (arimidex) 3x per week but ONLY when I saw symptoms of high E2. What symptoms specifically should I be looking out for?

Of note, after this lab test, I was switched from topical cream to T cyp injections 3x week (40mg), and increased hcg from 2x to 3x a week (500iu). Topical just wasn't working consistently anymore... and neither was Androgel which I was on before that.

Thanks!
 
1) In my last labs, SHBG came back low (1 unit below normal range). What effect does that have on things like libido, EQ, etc.? Is it necessary to raise it?
I wouldn't worry about something out of your control, it's a waste of time. It's low and it's going to remain where it is, give or take a few points.

2) Unrelated to #1... from time to time my estradiol has been high. Doctor said to take 0.125 anastrazole (arimidex) 3x per week but ONLY when I saw symptoms of high E2. What symptoms specifically should I be looking out for?
Many of the so-called estrogen symptoms are not estrogen symptoms.

IMG_0206.jpeg
 
Thanks. The anastrazole was prescribed because I was worried about increased nipple size. But other than that, I really don't know how to tell if my E2 is truly high enough to start taking anastrazole... The doctor mentioned things like acne, water retention and erection problems. I do get a bit of acne on the forehead, but nothing worrisome. No idea what water retention feels like. Already had erection problems anyway... which is why I started cialis. :) (Though restarting hcg also helped).
 

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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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