This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. An at-home testosterone test can help people monitor ...

Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, active portion your body can actually use to support muscle growth, energy, mood ...

It checks the level of testosterone in your blood. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. That’s a hormone produced in a man’s testes. Women make ...

THERE IT WAS: a bulbous droplet of blood suspended from the tip of my left-hand middle finger, which was dangled over the lip of a microtainer. It was this droplet of blood, plus another 11 after it, ...

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

After months of trying—and failing—to boost it, she read a pamphlet in a doctor’s office about the effects of low ...

Testosterone levels typically decline as a person ages, but some may have low testosterone due to certain health conditions. People may wish to use an at-home testosterone test to monitor their ...