Caffeine is more than just a morning ritual; it is a global phenomenon. For many, a cup of coffee, a steeped tea, or a soda is a non-negotiable part of the day, a key that unlocks energy and focus. In fact, caffeine is the most widely consumed psychoactive substance in the world. This cultural reliance is so pervasive that nearly two in five consumers report feeling addicted to caffeine, with a quarter of the population unable to go a single day without it.

It’s a familiar story. A man walks into the pharmacy, frustrated that his energy is low, his libido isn’t what it used to be, and intimacy feels harder than it should. He’s heard about testosterone therapy from a friend at the gym, or maybe from an online ad promising vitality in a vial. He wants to know: “Will testosterone fix my sex life?”