HIGH STIMULANT PRE WORKOUT: Pre-Workout Amplifier in delicious Citrus Mango flavor can be used as a pre-workout, during your workout, or as a post-workout recovery drink. INTENSE ENERGY AND FOCUS: Get explosive energy* and laser focus* for your toughest workouts with 300mg of caffeine per serving. POWERFUL PUMPS AND PERFORMANCE: Featuring 6 grams of L-Citrulline and 3 grams of Beta-Alanine to support intense pumps* and enhanced endurance*, helping you train harder for longer*. OPTIMAL HYDRATION: 890mg electrolyte blend per serving. COGNITIVE BOOST: With a +Nootropic Blend, this formula supports mental energy*, improved attention*, and enhanced cognitive performance*. TRUSTED QUALITY: Informed Choice - Regularly Tested for Banned Substances and Manufactured with ingredients of international and domestic origin. EASY TO USE: Mixes easily with a shaker cup, perfect for packing in your gym bag as part of your training routine. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent disease. Optimum Nutrition Pre-Workout Amplifier in delicious Citrus Mango flavor delivers intense energy, pumps, and performance. This high-stimulant pre-workout includes an electrolyte blend for hydration, along with 6 grams of micronized l-citrulline, 3 grams of beta-alanine, 2.5 grams of betaine and 300 mg of caffeine to support energy and performance. Other ingredients include vitamin C (ascorbic acid), vitamin D (as cholecalciferol) and l-leucine. With zero sugar and just 5 calories, you can feel good about your pre-workout drink mix. It mixes easily in a shaker cup, making it perfect for your gym bag and training routine. Add 19 grams (about 3 scoops) into 8-10 fl oz of cold water and mix for 30 seconds until dissolved. Consume 15-30 minutes before physical activity. Optimum Nutrition is the World's #1 Sports Nutrition Brand. Our products are banned substance tested with highest quality control measures so you feel comfortable and safe consuming this product.