Any validity to what this guy is saying? Diet alone can control elevated DHT apparently...
To fully explore this question we have to talk about the gate-keeper of free testosterone, sex hormone binding globulin or SHBG. Every hormone in the body is either "bound" to a carrier protein or "free" to circulate in the blood. SHBG is the master controller of how much free testosterone is available to be manufactured into DHT. In those with premature hair loss SHBG is found to be decreased, meaning that a large amount of their free testosterone is being converted into DHT by the 5-AR enzyme.
The most accepted theory of why subnormal values of SHBG are seen in those with premature hair loss, is that metabolic syndrome (insulin resistance, high triglycerides, high inflammatory markers, elevated cortisol) decreases SHBG. This is even the very theory that I subscribed to in my ebook, The Healthy Hair Diet. Imagine my surprise when I stumbled upon research that suggested that decreased levels of SHBG are actually caused by liver impairment.
The most accepted theory of why subnormal values of SHBG are seen in those with premature hair loss, is that metabolic syndrome (insulin resistance, high triglycerides, high inflammatory markers, elevated cortisol) decreases SHBG. This is even the very theory that I subscribed to in my ebook, The Healthy Hair Diet. Imagine my surprise when I stumbled upon research that suggested that decreased levels of SHBG are actually caused by liver impairment.
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