"More calories. More protein. More carbs. SERIOUS MASS by Optimum Nutrition serves over 1,200 calories, 50g of blended protein, and over 249g of carbohydrates per 2-scoop serving to help you maximize your daily caloric intake – the ideal post-workout and between meals shake for sizing up your goals. SERIOUS MASS provides you with more tools to help you pack on pounds, when taken in addition to normal calorie intake and over time with regular resistance training. HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving 50 grams of blended protein per 2-scoop serving Over 250 grams of carbohydrates per 2-scoop serving With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential Protein Source: Whey Date First Available: September 16, 2003 Unit Count: 192.0 Ounce Material Type Free: Caffeine Free Recommended Uses For Product: Calorie Increase, Muscle Growth, Post-Workout, Weight Gain Age Range Description: Adult Allergen Information: Milk, Soy Global Trade Identification Number: 00748927023800 UPC: 748927023800 748927063592 ASIN: B000GIPJ0M Product Dimensions: 11.5 x 5.5 x 16 inches; 12 Pounds Is Discontinued By Manufacturer: No Department: unisex-adult Supplement Formulation: Multi-Supplement Item Height: 16 inches Manufacturer: Glanbia Performance Nutrition Diet Type: Vegetarian Number of Items: 1 Total Servings Per Container: 16 Vitamins And Minerals: 0.9, 3.7, 30, 5, 700 Milligrams, 100, 100, 1560, 410, 44, 59, 80 Percent Daily Value Model Name: ON SERIOUS MASS CHOCOLATE 12LB Item dimensions L x W x H: 11.5 x 5.5 x 16 inches Ingredients: Maltodextrin, Proprietary Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa, Natural and Artificial Flavor, Vitamin and Mineral Blend (Dipotassium Phosphate, Magnesium Aspartate, Dicalcium Phosphate, Calcium Citrate, Ascorbic Acid, Niacinamide, Zinc Citrate, Beta Carotene, D-calcium Pantothenate, D-alpha Tocopheryl Succinate, Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese Amino Acids Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Polynicotinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocobalamin), Acesulfame Potassium, Medium Chain Triglycerides. Item model number: 1101529 Net Content Volume: 13.88 Liters Flavor: Chocolate Protein: 50 Grams Brand: Optimum Nutrition Brand Name: Optimum Nutrition Package Type Name: Tub Item Dimensions: 11.5 x 5.5 x 16 inches Servings per Container: 16 Age Range (Description): Adult Product Benefits: Immune Support, Muscle Growth, Weight Gain Item Weight: 12 Pounds"