Pre-workout supplements can improve athletic performance by giving you a boost of energy, which is why they're popular in the fitness community. I started exercising regularly by taking pre-workout ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Pre-workout supplements promise to give you a boost before your gym session. They’re supposed to crank up your energy, help you push harder, and improve your endurance. But how do you know which ones ...