As men age, their natural testosterone levels—the hormone that drives libido, muscle mass, mood, and overall vitality—begin to decline, often as early as age 30. This gradual drop in testosterone brings on many classic symptoms associated with aging: decreased energy, reduced muscle mass, diminis …

In the realm of fitness and performance, supplements play a crucial role in enhancing results and speeding up recovery. Among these, glutamine stands out as a powerhouse supplement, often recommended by experts and widely used by athletes. But what exactly is glutamine, and why is it so essential …