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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 form. Some of the ingredients in certain pre-workouts can be good for your health and your workouts. But the supplements can bring on side effects that you’ll need to be aware of.
What Pre-Workout Supplements Do
You take the supplement before your exercise. Its purpose is to help you recover and ease the fatigue of an intense workout.
Some common ingredients in pre-workouts are:
Caffeine. Product makers say pre-workouts can keep you focused, give you energy, and improve your overall performance. The main ingredient behind these promises is high levels of caffeine.
Pre-workout supplements have a range of 150 mg to 300 mg of caffeine per serving. This equals about three cups of coffee. That’s a lot. If you’re sensitive to caffeine, you may want to take a smaller amount or find natural ways to boost your energy before a workout.