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Optimum Nutrition
Serious Mass
High Protein Weight Gain Powder

Serious Mass is a high protein weight gain powder. With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals.

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Nutrition Information

Serving Size: 2 Scoops (334g)
Servings per container: 8(2700g.) 16(5455g.)
Amount Per2 Scoops100g%RI*
Energy Value1258 kcal
5269 kJ
377 kcal
1578 kJ
Total Fat4.4 g1.3 g6%
Saturated Fat1.6 g0.5 g8%
Total Carbohydrate251.5 g75.3 g97%
Sugars21.8 g6.5 g24%
Protein53.1 g15.9 g106%
Salt1.368 g0.41323%
Vitamin A299 mcg90 mcg11%
Vitamin D2 mcg1 mcg12%
Vitamin E4 mg1 mg9%
Vitamin C22 mg7 mg8%
Thiamin0.5 mg0.2 mg18%
Vitamin B-1
Riboflavin0.6 mg0.2 mg14%
Vitamin B-2
Niacin7 mg2 mg13%
Vitamin B-3
Vitamin B-60.7 mg0.2 mg14%
Folic Acid71 mcg21 mcg11%
Vitamin B-120.5 mcg0.1 mcg4%
Biotin55 mcg16 mcg33%
Pantothenic Acid2 mg1 mg10%
Potassium1013 mg303 mg15%
Chloride649 mg194 mg24%
Calcium356 mg107 mg13%
Phosphorus131 mg39 mg6%
Magnesium57 mg17 mg5%
Iron4 mg1 mg9%
Zinc3 mg1 mg8%
Copper0.5 mg0.2 mg20%
Manganese0.6 mg0.2 mg10%
Selenium43 mcg13 mcg23%
Chromium130 mcg39 mcg98%
Iodine51 mcg15 mcg10%
Sodium547 mg165 mg**
* Percentage of Recommended Intake per one full serving.
** Recommended Intake are not established.
Ingredients / Other Ingredients: Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumin, Sweet Dairy Whey),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 Acid Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Polynicotinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocobalamin), Acesulfame Potassium, Lecithin, Medium Chain Triglycerides.

Product Description

Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.

Product Highlights:

  • Adding Calories Has Never Been This Easy or Tasted So Good
  • 1,250 CALORIES
  • Over 250 g of Carbohydrates with NO ADDED SUGAR
  • Creatine, Glutamine, and Glutamic Acid
  • 25 Vitamins and Essential Minerals
Directions for use

Add two heaping scoops of Serious Mass to a blender filled with 710 ml of water. Blend for 45-60 seconds. Then add a few ice cubes and, if desired, other calorie-contributing ingredients and blend for an additional 30-45 seconds.

Tips: Mixing two scoops of Serious Mass with 710 ml of nonfat or low fat milk instead of water will give you a thicker, creamier, higher-calorie shake. New users may find if beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 or more full servings several times a day.

Serious Mass is a substantial weight-gain supplement that can be used to feed serious calorie needs in a variety of different ways.

Between Meals: Drink 1/2-1 serving of Serious Mass between meals to maintain positive nitrogen balance and support a high-calorie diet. Post-Workout: Begin drinking 1/2-1 serving of Serious Mass 30-45 minutes following exercise to support maximum recovery. Before Bed: Drink 1/2-1 serving of Serious Mass about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.

Note: For best results use Serious Mass combined with intense weight training (3-5 times per week) and a sensible whole foods diet. Also, keep in mind that sufficient recovery between workouts impacts your ability to gain lean mass. Allowing at least 48 hours between workouts involving the same body parts is recommended.


Do not take this product if you are pregnant or nursing a baby. Check with a qualified healthcare professional before using this product if you are under 18 years of age or if you have any known or suspected medical condition(s) including diabetes, hypoglycemia, and/or if you are taking any prescription or OTC medication(s).

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