1 Pouch (30 Servings)
Take your training performance to the next level.
XS™ Pre-Workout Boost supplement utilizes science-based ingredients including clinical doses of L-citrulline and beta alanine to ensure you are getting the best from every serving and maximizing your training performance.†

Beta Alanine
Contains 4g of CarnoSyn®** Beta Alanine to boost training performance by supporting anaerobic exercise, muscle endurance and strength training performance.†*
L-Citrulline
Includes 3.4g of L-Citrulline to support the production of nitric oxide and support healthy blood flow during exercise to help deliver more oxygen and nutrients to your muscles.†