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. Even the word alone sounds manly. For men, testosterone is important for drive, fertility, heart health, bone health, energy and mood — to name just a few benefits. When you have low ...

LA Times Studios may earn commission from purchases made through our links. Most men don’t wake up one morning feeling “low T.” Instead, it’s a gradual drift. A little less drive in the gym, a longer ...

Many healthcare providers regard testosterone cypionate and testosterone enanthate as interchangeable, but each has differences in their ingredients and duration of action. These differences influence ...

Testosterone Enanthate 400, often referred to as Enantat 400 or Test E 400 is a high-concentration injectable testosterone ester used in clinical and performance contexts. Known for its extended ...

Injectable testosterone esters and transdermal testosterone gels have generally been assumed to be equally safe and effective forms of testosterone-replacement therapy for male hypogonadism. Now, ...

As males age they experience a natural and gradual decline in testosterone, and research has established a relationship between low levels of the hormone and increased incidence of type 2 diabetes. In ...