The ZRT Laboratory Blog

The ZRT Blog is an extensive resource for patients and health care providers searching for health and hormone testing information. Here, you can read about ZRT’s cutting edge research, advances in testing, wellness advice, and health industry highlights.

Andropause: Real Men Go For Balance

Posted by Candace Burch on Friday, 17 June

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The first thing a man entering andropause generally notices is a subtle downward shift in strength and energy as hormone levels taper off. Muscle tone and stamina are the first to go and he starts to gain weight and that "spare tire." He may also develop a voracious appetite and food cravings he never had before. As symptoms kick in at mid-life, hormone testing can identify hidden imbalances that complicate symptoms of andropause and contribute to rapid aging. 

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SHBG – A Modulator to be Modulated

Posted by Dr. Allison Smith on Tuesday, 21 July

ThinkstockPhotos-200180050-001This blog post is a follow-up to the ZRT Andropause webinar.

I like to think of SHBG as a sponge that soaks up androgens and to some degree estrogens as well.

SHBG, or Sex Hormone Binding Globulin, controls testosterone effect in both men and women by modulating changes in sex steroid levels. When SHBG goes up, free testosterone goes down.

Since it binds so specifically and tightly to testosterone, it makes up part of the equation that equals androgen excess or androgen deficiency. Knowing how to manipulate SHBG can be a useful tool in a number of scenarios.

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