Does XS Pre-Workout Have Caffeine? An In-Depth Look at its Ingredients
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4 min read
According to the official product label, the XS™ Pre-Workout Boost formula contains 115 mg of natural caffeine per serving, sourced from *Coffea arabica*. This means that yes, XS pre-workout has caffeine, but the formula combines it with other performance-enhancing ingredients to fuel athletic performance and endurance.
