Optimum Nutrition Serious Mass 5kg

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Optimum Nutrition Serious Mass 5kg

Product Details

  • Optimum Nutrition Serious Mass 5kg provides 1,270 calories per serving, which is the ultimate in a weight gain formula
  • This supplement comes loaded with the benefits of 25 essential vitamins and minerals to enhance muscle growth
  • It provides 50g of blended protein in every serving of 334g which helps to gain weight and lean muscle mass effectively
  • ON Serious Mass 12Lb is enhanced with creatine, L-Glutamine, and Glutamic Acid
  • ON (Optimum Nutrition) Serious Mass comes packed with more than 250 grams of carbohydrates with no added sugar

Product Description

Serious weight gain goals need high calories. Those who need the extra calories most often have a hard time consuming enough of them. Many who are seeking a high metabolism rate in their body have a weaker appetite and a busy lifestyle can make it a real challenge to get enough calories from the daily food that we eat. With 1,250 calories and 50 grams of protein per serving, a lot of weight can be gained from Optimum Nutrition Serious Mass 5kg. Now it’s easy to get serious about your sizable ambitions with Serious Mass by ON.

Supplement Facts

Amount per serving (1g serving size) % daily value
Total Fat 11%
sodium 29%
Carbohydrate 83%
fiber 16%
Protein 100%


  • 50g of Protein Per Serving of 334g

    While meeting 100% of your daily protein requirement, Optimum Nutrition Serious Mass is also fortified with 1270 calories and 252g of carbohydrates per serving that aids to gain healthy weight and lean muscle mass.

  • 25 Essential Vitamins and Minerals

    Optimum Nutrition Serious Mass comes enriched with 25 vital nutrients that can help to fulfill your body's nutritional requirements very easily. It comes packed with creatine, L-Glutamine, glutamic acid, Glutamine peptides, Choline, Inositol, and MCTs, which speed up your recovery phase, post-workout.


Maltodextrin, Protein Blend (whey protein concentrate, calcium caseinate, egg albumen, sweet dairy whey), natural and artificial flavors, Vitamin and Mineral Blend (di-potassium phosphate, magnesium aspartate, di-calcium phosphate, calcium citrate, ascorbic acid, niacinamide, zinc citrate, beta carotene, d-calcium pantothenate, selenomethionine, copper gluconate, ferrous fumarate, manganese amino acid chelate, thiamin mononitrate, pyridoxine hydrochloride, riboflavin, folic acid, biotin, molybdenum amino acid chelate, cholecalciferol, potassium iodide, cyanocobalamin), medium-chain triglycerides lecithin, acesulfame potassium.

How to Use?

Add two heaping scoops of Optimum Nutrition Serious Mass to a blender filled with 24 oz 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. Mixing two scoops with 24 fl oz of nonfat or low-fat milk instead of water will give you a thicker, creamier, higher-calorie shake. New users may find it helpful, to begin with, 1/2 of a serving daily for the first week and then slowly increase to 1 or more full servings several times a day.


How do I use optimum nutrition serious mass of 5kg?

Add serious mass with 1,250 quality calories per serving of a nutritious shake. Support muscle growth with 50 g of proteins and 250 g of carbohydrates per serving. You can enjoy it between meals, post-workout, and even before bed.

What does serious mass do to your body?

Optimum Nutrition Serious Mass is a high-calorie, high-protein supplement intended to increment lean muscle mass and weight. While Optimum Nutrition Serious Mass may help you gain muscle when used in combination with a workout regime.

Does Optimum Nutrition Serious Mass make you gain weight?

Optimum Nutrition (ON) Mass Gainer 12 Lb may help you gain lean muscle mass. Optimum Nutrition Serious Mass is a high-calorie, high-protein health supplement intended to promote lean muscle mass and weight. This product provides 50 g of protein and more than 250 g of carbohydrates per serving.

How do you take Optimum Nutrition Serious Mass 12lbs for the best results?

  • Post-Workout

    Begin drinking 1/2 - 1 serving of Serious Mass 30-45 minutes after exercise to support maximum utilization and absorption

  • Before Bed

    Drink 1/2 - 1 serving of Serious Mass about 45-60 minutes before bed to provide nutrients to regenerate muscles throughout the night.

What should one look for in a weight gainer?

A weight gainer should provide a nutritionally rich blend of the core macronutrients such as protein, carbohydrates, and essential fats. Second, it should be low in simple sugars and high in complex carbohydrates. Third, it should contain high-quality proteins such as whey and casein as these provide both a quick and sustained release of key amino acids into the body.


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All the information and statements regarding the product haven’t been evaluated by the Food and Drug Administration or any government authority. Moreover, they aren’t intended to treat, diagnose, cure, or prevent any kind of disease. All the product reviews are users based on their personal experiences and do not reflect the opinion of Nutriride. The product information provided by the sellers on Nutriride is not complete. Therefore, please read the label on the product carefully to learn the complete information provided by the manufacturer. Equally important, the results from the products will vary from person to person and none of the individual effects should be seen as typical.