A normal testosterone level for you will depend on your gender and age. Normal total testosterone results in adult men: Ages 19 to 49 -- 249 - 836 nanograms per deciliter (ng/dL) Ages 50 and older
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Based on that reasoning, the quick answer is: Yes, they help but only if you have low testosterone levels, to begin with. If you have the right genes and a healthy level of testosterone, you’re all set to grow a facial winter blanket. They’re useless if your testosterone levels are in the healthy range.For instance, rhesus monkeys with high testosterone levels use stares, threats and displacements, rather than overtly aggressive interactions, to ascertain high social status. 17 In humans, status is asserted on similar paths, being related to testosterone concentrations: face-to-face interactions by increased duration of staring and speech as