Testosterone levels are at their highest during adolescence and early adulthood. Testosterone levels may start to decline after age 30 years in males and between ages 45 and 55 years in females.

Over-the-counter testosterone powders are often sold as natural testosterone boosters. Testosterone powders are made of herbs and other substances. Research about whether these products effectively ...

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 ...

Testosterone tests measure levels of testosterone in the blood. At-home test kits can be convenient, but they cannot diagnose underlying health conditions that cause high or low testosterone. Share on ...

Testosterone is the main sex hormone in men. It’s best known for its role in the development of male sexual characteristics and physical features, but there are also many surprising and lesser known ...

Testosterone is a male sex hormone that is important for sexual and reproductive development. The National Institutes of Health regards testosterone as the most important male hormone. Women also ...

It is being widely touted anecdotally as a solution to everything from low libido to brain fog and fatigue. Still, experts are wary of prescribing as a quick fix ...

Severine Lamon receives funding from the Australian Research Council (ARC) and the International Olympic Committee (IOC). Testosterone is the major androgenic (male) hormone and one of the most common ...

Testosterone is the primary sex hormone in males but also has important functions in females. Natural testosterone supplements and boosters include vitamin D, fenugreek, or ashwagandha. A person with ...