Testosterone replacement therapy (TRT) products are controlled substances and require a prescription. To get a prescription, a licensed healthcare provider first needs to assess you and determine that ...

Matt Kaeberlein, a longevity researcher and CEO of Optispan, had symptoms of low testosterone. He got his levels tested in his 50s and gradually began testosterone replacement therapy (TRT). He said ...

Learn how sleep affects testosterone, what the research shows, how much sleep lifters need, and when low testosterone ...

While TRT is only U.S. Food and Drug Administration (FDA)approved for men with clinically low testosterone levels, marketing has expanded TRT’s reach to those seeking enhanced vitality, from increased ...