Optimum Nutrition Serious Mass Weight GainerVitamin C, Zinc and Vitamin D Provide Immune Support along with Vitamin E Product Note: Exposure to heat or sunlight may lead to melting damage of product. Hence customers are expected to be available during the product delivery Packaging may vary New look, with the same trusted Quality High Calorie Weight Gainer: 1,250 Calories per 2 Scoop Serving 50 Grams of Protein per Serving. Over 250 Grams of Carbohydrates per Serving Over 250 Grams of