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 ...

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, ...

Close-up of a woman's hand with a measuring spoon of white BCAA powder. Protein shake for athletes and athletes. If you’ve trained your social-media algorithms to serve you even a little bit of ...

Using pre-workout supplements every day can make them less effective over time. High doses of caffeine in these supplements can cause side effects like anxiety and heart palpitations. Pre-workout ...

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 ...

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 ...