SHBG Levels

It's pretty much the opposite. Those with low SHBG will wind up with less total and MORE free (contrary to popular belief) testosterone than those with normal levels of SHBG. Generally speaking, those with low SHBG will have a higher free to total testosterone ratio than those with mid-range SHBG, but the actual levels will tend to be lower on a mg per mg basis. Because SHBG binds more strongly to androgens than estrogens, those with low SHBG are also more sensitive to estradiol, because they will have an augmented free/total ratio of e2 compared to someone with mid-range SHBG levels. This ratio will be even more accented than the free t/total t ratio. On the other hand, those with too high SHBG will have disproportionately high total testosterone levels relative to free testosterone.

Love your post but I think you missed something
 
I was not diabetic but interestingly had a glucose that was a bit high at 105. Defy had me check my A1c and it was near the bottom of the range so they said not to worry about it. That was at the 3 month mark. 6 months later (3-4 weeks ago) my glucose dropped to 86 (normal in range).

It could be important to look back at those two tests and see if you were fasted for the 105 result. That's the only thing I can see between the two there for why such a dramatic difference. Looking at the two in this narrow scope tells me you ate before the 105 test and fasted for the 86.
 
Love your post but I think you missed something
Is 20 a low SHBG? Before starting TRT and doing research, I found men with high SHBG were in tears because all there t was being bound by SHBG while men with low actual total T were fine because that had more unbound (bioavialble t) this is pre TRT
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

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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