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 ...

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, ...

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 ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Most pre-workout effects peak within 30-90 minutes, but caffeine can stay in your system for up to 10 hours.Taking pre-workout later in the ...

Pre-workout supplements, also called “pre-workouts,” are meant to give you energy for when you exercise. The main ingredient in most of them is caffeine. These supplements often come in pill or powder ...

While there’s no single definition of what a pre-workout supplement should contain, many include various combinations of caffeine, beta-alanine, creatine, nitrates, and branched-chain amino acids ...

Pre-workout supplements are intended to boost energy so you can work out harder and longer. Taking pre-workout can cause side effects like nausea and shakiness due to high caffeine content. While ...

This is read by an automated voice. Please report any issues or inconsistencies here. The pre-workout industry has absolutely exploded in recent years, and it has become a staple part of training ...

Pre-workout refers to dietary supplements that people can take before a workout to help maximize their training. Available as premixed drinks, powders, pills, and snack bars, manufacturers formulate ...