Medically reviewed by Aviv Joshua, MS, RDN Key Takeaways Pre-workout supplements may be helpful for some athletes, but they ...

Most pre-workout supplements are considered safe for many adults, but they are not essential for health or exercise performance. Their ingredient mixes vary widely by brand. Ingredients like caffeine, ...

Pre-workout supplements are associated with side effects like digestive issues, water retention, and headaches. Adjusting your dosage or avoiding supplements with certain ingredients may help. To ...

Researchers know that caffeine can improve mental processes, strength, power, and endurance during a workout. A 2016 study found that people who consumed pre-workout drinks containing caffeine saw a ...

If you’re training intensely and could do with a little extra energy at the gym, then a pre-workout could be for you. Consider it a bookend to a post-workout protein shake — it’s a supplement that ...

Let’s be real—you don’t need a pre-workout supplement to have a great lift or make progress in the gym. But on days when your energy is dragging or motivation is lacking, the right pre-workout can be ...

New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. Going for the gains this summer? Maybe it’s time ...

New research shows that young Canadians who take pre-workout supplements are more than twice as likely to sleep five hours or less, raising new questions about how workout stimulants may be affecting ...