Optimum Nutrition Gold Standard Pre-workout Powder Energy SupplementON's new Gold Standard Pre-Workout® unleashes amplified energy, focus, and supports enhanced endurance to help you reach the pinnacle of your game, crush your next set, get that last rep, and achieve some true gains. Whatever your goals, accomplish them all with the pre-workout from the most trusted brand in sports nutrition.*Foundational Ingredients:175mg of Caffeine from Natural Sources1.5g of Carnosyn Beta-Alanine3g of Creapure Creatine Monohydrate1.5g of L-Citrulline MalateThis formula raises the bar by providing you with only what you need to achieve your True Strength™ — made with select banned substance free ingredients, including caffeine from only natural sources (tea and coffee bean) to help dial in intense energy, mental alertness, and sharp focus before you hit the gym. Gold Standard Pre-Workout™ is also made with only premium ingredients including CarnoSyn® Beta-Alanine, which supports your intramuscular buffering system to help you train harder, longer and German-engineered Creapure® Creatine Monohydrate — one of the industry’s most well-known providers of high purity creatine monohydrate.* Finally, the Gold Standard of pre-workouts includes L-Citrulline Malate — a precursor to Nitric Oxide (N.O.) synthesis and other ingredients such as AstraGIN® and Acetyl-L-Carnitine HCI to round out this powerful formulation.*The Gold Standard of Flavors: ON has also raised the bar on flavor. Available in options such as Blueberry Lemonade, Watermelon, Pineapple, Green Apple, and Fruit Punch, Gold Standard Pre-Workout™ leaves all other pre-workouts behind on performance AND taste. You take your workouts and performance seriously. Don’t settle for a second place product, get the legit pre-workout that’s as GOOD AS GOLD