Optimum Nutrition's Gold Standard Pro Gainer is a high-protein weight gain formula designed to support muscle building and recovery. Each serving delivers 650 calories, combining 60 grams of premium protein with 81–82 grams of carbohydrates to help replenish energy levels post-workout or between meals. The protein blend includes whey protein isolate, whey protein concentrate, calcium caseinate, and hydrolyzed whey protein, providing a comprehensive amino acid profile for muscle support. In addition to macronutrients, Gold Standard Pro Gainer is fortified with 20 vitamins and minerals, including iron, calcium, potassium, and vitamins C and E, to support overall health and performance. The formula is instantized for easy mixing, making it convenient to prepare with a blender, shaker, or spoon. Available in flavors like Double Chocolate and Vanilla Custard, Gold Standard Pro Gainer offers a tasty and effective way to increase caloric intake and support muscle growth goals.
