Pre Workout in Two Stages: The world's first two-stage natural pre workout energy drink for men and women; specifically formulated to deliver sustained energy, strength, endurance & pumps; steady delivery of ingredients including L-Citrulline, Beta Alanine and L-Arginine to power you through workouts of all types and all fitness levels, including weight training, cardio and home workouts.
Tested and Trusted: Third-party tested and keto friendly pre workout supplement with exclusively premium ingredients. No banned substances; can be used for bodybuilding or any athletic event.
Flavors to Love: Vintage Blast uses exclusively natural flavors of the highest quality grade to deliver award-winning sensory experiences that you’ll look forward to every time. All of our flavors are 100% vegetarian with no animal-sourced ingredients.
Guaranteed Results or your Money Back: Old School Labs supplements never compromise on quality and always include clear and complete supplement facts without any "proprietary blends." We stand by our products 100%. If you are not completely satisfied with any OSL product, we will help you resolve your concern or provide a full refund.
Heritage and Customer Focus: Old School Labs, California; Supplements That Make Sense, 40 Years in the Making. Our #1 focus will always remain on our customers. Our team of experts are available by email or social media to answer questions regarding the best way to use our products. Our products are formulated in California and made in U.S.A