This stimulant acting on the central nervous system mimics the action of adrenaline, activating the flight or fight responses. 1,3-Dimethylamylamine boosts energy and acts on blood vessels thereby ...

These days, Kevin Kreider fuels his workouts with little more than a cup of black coffee. But for about seven years, he relied on something else: a kind of supplement called pre-workout. “This stuff ...

Still, there’s always someone seeking a shortcut. "Everyone is always trying to seek that magic pill. It's just trying to sell you the dream but at such a detrimental, dangerous cost," says Registered ...