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That same year, both Swiss researcher Leopold Ruzicka and German researcher Adolf Butenandt would discover how to synthesize it for commercialization, and later be jointly awarded the Nobel Prize for chemistry for the achievement.
It's also an increasingly popular medical treatment for men looking to pause —or even reverse —the clock.
Regardless of the method of its production in either gender, the compound from which all such sex hormones are originally derived is every nutritionist's sworn enemy: cholesterol. In men, testosterone concentrations are highest in the morning, but gradually decrease throughout the day.
Normal testosterone production is largely controlled by the rhythmic bursts of another hormone that's released about every 1-3 hours —gonadotrophin-releasing hormone (Gn RH).
The Testosterone Finger Length Test: A less sophisticated, but still surprisingly valid way to assess if you were born with higher testosterone levels and greater androgen-receptor sensitivity is to look at your right hand.
Laying your hand flat on a table, look to see if your ring finger is significantly longer than your index (pointer) finger.Those fluctuations aside, in late adolescent and young adult men (19-39 years of age), the average healthy range for total testosterone is between 264-916 nanograms per deciliter.