The Gold Standard Platinum Pre-Workout Advanced by Optimum Nutrition is an advanced pre-workout formula that delivers a powerful blend of ingredients to boost performance. Each serving of this supplement provides 6 g of L-citrulline and 3.2 g of beta-alanine, essential elements to support endurance and reduce muscle fatigue. With 200 mg of caffeine from natural sources, it helps maintain focus during intense workouts. Additionally, it includes 3 g of L-leucine and a blend of amino acids and B vitamins (B6, B12, niacin, and pantothenic acid) for optimal energy metabolism. Packaged in a 420 g container, sufficient for 20 servings, with a recommended daily serving. Store the product in a cool, dry place, protected from direct sunlight. Manufactured by Optimum Nutrition and distributed by Glanbia Performance Nutrition Limited in Ireland.