Creatine helps increase power and muscle growth, while pre-workout offers quick energy and focus. Learn how they differ and when each supplement makes sense for you.

Pre-workout nutrition, workout prep—whatever you call it—has changed, and what you consume in the hours before exercise ...

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 ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Most pre-workout effects peak within 30-90 minutes, but caffeine ...

Add Yahoo as a preferred source to see more of our stories on Google. Some say pre-workout allows them to plow through their high-intensity fitness routines, even when they’re initially feeling “meh” ...

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Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission ...

The answer may surprise you.

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 ...