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Supports Muscle Building & Weight Gain Goals*
1,250 Calories Helps Boost Calorie Intake
50 g Protein Helps Build and Maintain Muscle
252 g Carbs Helps Fuel Intense Workouts
Now With 3 Grams of Creatine
Naturally & Artificially Flavored
Protein Powder Supplement
8 Servings
Informed Choice – We Test You Trust
Strength Training
Supports Performance
Supports Weight Gain Goals

Supplement Facts
Serving Size: About 2 Heaping Scoops (336 g)
Servings Per Container: 16
Amount Per Serving  % Daily Value
Calories 1250
Total Fat 4.5 g 6%*
Saturated Fat 2.5 g 13%*
Cholesterol 110 mg 37%
Total Carbohydrate 252 g 92%*
Dietary Fiber 4 g 14%*
Total Sugars 20 g **
Includes 9 g Added Sugars 18%
Protein 50 g 100%*
Vitamin A (as beta-carotene) 750 mcg 83%
Vitamin C (as ascorbic acid) 60 mg 67%
Vitamin D (as cholecalciferol) 5 mcg 25%
Vitamin E (as d-alpha tocopheryl succinate) 20 mg 133%
Thiamin (as thiamine mononitrate) 4.8 mg 400%
Riboflavin 4 mg 308%
Niacin (as niacinamide) 50 mg 313%
Vitamin B6 (as pyridoxine hydrochloride) 5 mg 294%
Folate (as folic acid) 680 mcg DFE (400 mcg folic acid) 170%
Vitamin B12 (as cyanocobalamin) 10 mcg 417%
Biotin (as d-biotin) 300 mcg 1000%
Pantothenic Acid (as d-calcium pantothenate) 25 mg 500%
Choline (as choline bitartrate) 250 mg 45%
Calcium (as calcium citrate, dicalcium phosphate) 600 mg 46%
Iron (as ferrous fumarate) 8 mg 44%
Phosphorus (as dicalcium phosphate, dipotassium phosphate) 590 mg 47%
Iodine (as potassium iodide) 53 mcg 35%
Magnesium (as magnesium aspartate) 140 mg 33%
Zinc (as zinc citrate) 15 mg 136%
Selenium (as selenomethionine) 70 mcg 127%
Copper (as copper gluconate) 1 mg 111%
Manganese (as manganese amino acid chelate) 2 mg 87%
Chromium (as chromium polynicotinate) 120 mcg 343%
Molybdenum (as molybdenum amino acid chelate) 75 mcg 167%
Sodium 570 mg 25%
Potassium (as dipotassium phosphate) 1430 mg 30%
Creatine Monohydrate 3 g **
L-Glutamine 500 mg **
Inositol 250 mg
PABA (para-aminobenzoic acid) 5 mg
*Percent Daily Values are based on a 2,000 calorie diet.
**Daily Value not established.

Why Serious Mass™?

Each serving is packed with 1,250 calories to support a calorie surplus for weight and muscle building.*
50 grams of protein to support muscle building and recovery.*
252 grams of carbohydrates to support fueling of intense workouts and aid in replenishment of glycogen stores.
3 grams of creatine monohydrate to support performance.
25 vitamins and minerals plus glutamine.
Optimum Nutrition® has been trusted to provide the highest quality in post-workout recovery, pre-workout energy and on-the-go sports nutrition for over 30 years and in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body’s full potential.

Serious Mass™ is designed to provide serious calories, protein and carbohydrates – making this a convenient way to get extra calories throughout your day.

*When taken in addition to normal calorie intake and regular weight resistance training

Suggested use
336 grams about 2 heaping scoops Serious Mass™ protein powder.
24 fl oz cold water, milk or other beverage
30-45 seconds blend until dissolved
Tips: New users may find it beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 serving a day.

For healthy adults, consume protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Other ingredients
Maltodextrin, protein blend (whey protein concentrate, calcium caseinate, egg whites, sweet whey), cocoa (processed with alkali), natural and artificial flavor, medium chain triglycerides, lecithin, acesulfame potassium, sucralose.

Contains: Egg, milk, soy.

Contents sold by weight not volume. Some settling will occur.

Store in a cool, dry place.

Serving scoop included. But may settle to the bottom during shipping.

Additional information


Chocolate, Strawberry, Vanilla

Package Quantity:

12lbs, 6lbs


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