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

This article was reviewed by Darragh O’Carroll, MD. Key takeaways: Testosterone cream is a needle-free testosterone therapy ...

Certain health conditions can make it difficult for some men to have normal levels of testosterone. Low testosterone levels, also known as hypogonadism, can affect a person’s life, can cause different ...

A clinical study of 65 men found testosterone injections improved libido for people with diabetes. The study's lead author said the findings were the first to show improvement from testosterone in a ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...