Matt Kaeberlein, a longevity researcher, started TRT in his 50s. He said stigma and lack of information can make the process confusing.

If you’ve been feeling a little low in more than one aspect of life, you’re not alone, and chances are you’re not going crazy, either. You may be experiencing the symptoms of low testosterone.

Testosterone has become the new hustle hormone. Scroll through social media for five minutes and you’ll see men crediting weekly injections for sharper focus, bigger lifts, stronger sex drives, and ...