Introduction Fitness fanatics and people who are enthusiastic about maintaining a fit body often talk about things to take before a workout or pre-workout. Today, pre workout supplements are commonly used by gym-goers, and athletes and their popularity seem to be rising every day. But what does it contain that makes it so effective? How are they able to make a workout more efficient for people? A major ingredient in these supplements is caffeine. Generally, the popular pre-workouts contain around 150 mg to 250 mg of caffeine in every scoop. This amount is even greater than a single cup of coffee that ...Read more
