Some foods – through a couple of different mechanisms – can end up lowering testosterone output. Alcoholics also tend to have higher estrogen levels, be it because their livers tend to be in worse condition (thus, limited estrogen clearance). However – on the flip side – higher testosterone made them more willing to take bigger and bigger risks, potentially causing them to lose it all in hours. Not only is the lackluster sleep crushing our hormonal health, but The New York Times also suggests that inadequate sleep can cause more than $400 billion in economic losses each year in the United States. A study by Gov et al. noticed that in 531 Chinese test subjects, one extra hour of sleep led to an average of 15% more testosterone17.
While testosterone is responsible for overall hair growth, DHT determines where and how thick your facial hair comes in. Hormones like testosterone and DHT are the driving forces behind facial hair growth. Hair growth on your face is largely determined by how sensitive your hair follicles are to dihydrotestosterone (DHT), a hormone derived from testosterone.
Just five hours of sleep duration can slash testosterone by 15%, while elevated stress hormones like cortisol actively suppress production. While hormone levels matter, follicle sensitivity and androgen receptors determine how your facial hair responds to DHT levels. This aging testosterone decline directly impacts follicle responsiveness, causing beard thinning and growth slowdown.
It’s also proven to lower estrogen levels and increase blood flow that can help aging men maintain an erection. Venison is an ideal protein source because it’s not overly rich with saturated fats, which can lower testosterone. Changing your diet and eating habits can dramatically improve your hormones naturally.
The conjugates of testosterone and its hepatic metabolites are released from the liver into circulation and excreted in the urine and bile. Androsterone and etiocholanolone are then glucuronidated and to a lesser extent sulfated similarly to testosterone. An additional 40% of testosterone is metabolized in equal proportions into the 17-ketosteroids androsterone and etiocholanolone via the combined actions of 5α- and 5β-reductases, 3α-hydroxysteroid dehydrogenase, and 17β-HSD, in that order. Approximately 50% of testosterone is metabolized via conjugation into testosterone glucuronide and to a lesser extent testosterone sulfate by glucuronosyltransferases and sulfotransferases, respectively. It is bound 65% to sex hormone-binding globulin (SHBG) and 33% bound weakly to albumin.

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