Product description

Optimum Nutrition (ON), a world leader in sports nutrition

Optimum Nutrition is one of the leading sport nutrition companies in the world and produces the most iconic and the highest-selling protein powder on the international market. ON's strict ingredients selection, quality control, lab testing, and manufacturing processes are all done for one reason: to provide you with the highest quality sports nutrition products available.

Optimum Nutrition Serious Mass Weight Gainer Description

What is Serious Mass Weight Gainer

Optimum Nutrition Serious Mass is a high-calorie weight gainer which is also high in protein and when taken over time with regular resistance exercise and a balanced diet can help you gain mass and muscle. It also has creatine and glutamine to support Muscle building & recovery, when accompanied by a balanced diet and regular exercise.

If you're very determined to reach your strength and muscle-building goals, there's a very good chance that you've considered or considering taking a weight gainer.

Serious Mass Weight Gainer is a high-calorie supplement that contains various levels of protein, fat, carbohydrates, minerals, vitamins, amino acids, and various other supplements that will take your training to a completely new level.

Who Needs Serious Mass?

People with very active metabolism that struggle to gain weight; Athletes or anyone who has extremely high energy needs that cannot be met only with food.

The True Strength of Weight Gainers

Serious weight gain requires serious calories. However, those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, a highly-active metabolism, weaker appetite, and on-the-run lifestyle can make it a real challenge to consume enough calories through whole foods alone. With Serious Mass, you've got nothing to lose and lots to gain.

What's in Serious Mass

1200+ Calories, 50 Grams of high-quality Protein, and over 250 Grams of Carbohydrates per Serving with 23+ Vitamins & Minerals, Creatine & Glutamine.

Country of Origin: USA

Supplements Fact

Nutrition facts might vary based on the flavour.

Serving Size: 340g (About 2 Scoops)

Servings Per Container: 16

IngredientAmount per ServingDV%
Calories1250
Total Fat6g8%
Saturated Fat3.5g18%
Cholesterol200mg67%
Total Carbohydrate250g91%
Dietary Fiber4g14%
Total Sugars31g**
Includes Added Sugars10g20%
Protein50g100%
Vitamin A (as acetate)340mcg38%
Vitamin C (as sodium ascorbate)30mg33%
Vitamin E (as dl-alpha tocopheryl acetate)4mg27%
Thiamin (as hydrochloride)0.4mg33%
Riboflavin0.9mg69%
Niacin (as niacinamide)4mg25%
Vitamin B6 (as pyridoxine hydrochloride)0.4mg24%
Folate (as folic acid)170mcg DFE43%
Vitamin B12 (as cyanocobalamin)1.55mcg65%
Biotin (as d-biotin)60mcg200%
Pantothenic Acid (as d-calcium pantothenate)3mg60%
Calcium (as carbonate, phosphate)700mg54%
Iron (as ferrous fumarate)9mg50%
Iodine (as potassium iodide)23mcg15%
Magnesium (as phosphate)195mg46%
Zinc (as oxide)3.7mg34%
Copper (as gluconate)0.5mg56%
Manganese (as sulfate)0.6mg26%
Sodium820mg36%
Potassium1290mg27%
Creatine Monohydrate5g**

Ingredients: Maltodextrin, whey protein concentrate, cocoa powder (processed with alkali), natural and artificial flavor, sunflower and/or soy lecithin, creamer (sunflower oil, maltodextrin, modified food starch, dipotassium phosphate, tricalcium phosphate, tocopherols), salt, sucralose, acesulfame potassium.

Contains: Milk and Soy.

Strawberry flavor contains 3g of creatine per serving.

** Daily Value not established.

How To Use

  • How to Use: Add 1 scoop of Serious Mass powder to 350ml of water or juice and have it twice a day. Prepare using an electric blender. You can add fresh or frozen fruits, peanut butter, nuts, and other calorie-dense foods to boost your weight gain potential.
  • Additional Use Guidance: Use post-workout and/or between meals to add calories, carbohydrates, and protein to your healthy, balanced diet.
  • Additional Use Guidance: Between meals: drink 1/2-1 serving to maintain positive nitrogen balance and support a high-calorie diet. Post-workout: begin drinking 1/2-1 serving 30-45 minutes following exercise. Before bed: drink 1/2-1 serving about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.
  • Warnings: Keep out of reach of children.
  • 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 conditions, including diabetes or hypoglycemia, and/or if you are taking any prescription or OTC medications.
  • For best results, use Serious Mass combined with intense weight training (3-5 times per week) and a sensible whole-foods diet. Allow at least 48 hours between workouts involving the same body parts.