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 ...

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 ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: In the U.S., testosterone is a controlled substance, so you’ll need a prescription to acquire it. While you take it, your provider will ...

Testosterone is being hailed as the secret to better energy, mood, and sex drive. Here’s what experts say about when it actually does help—and when it doesn’t. Women naturally produce testosterone, a ...