vegetarian supplement
Per 304gm of 55 servings Contains*
24 g





Protein % per Serving

ON Serious Mass Gainer

5,799.00 4,999.00

Inclusive of all taxes

GTIN: Please select a variant
SKU: APX4681 Categories: , , ,

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with these offers and coupons

Flat Rs.200 Cashback on Min. Order of Rs.2000 for First Time Users

Imported By
Marketed By

Glanbia Performance Nutrition:
502 504 stat hub bldg no 2, Sahar road, Andheri East Mumbai 400059 India, (11) 49594959

Fssai Lic No
  • 10017011004358
Manufactured By

Tirupati Wellness, SurajPur, Nahan Road, Paonta Sahib, Sirmaur HP – 173001

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Buy ON Serious Mass Gainer 5KG and 3KG Online in India

If you are looking to gain weight and build muscle mass, ON Serious Mass Weight Gain Powder could be the solution for you. This high-calorie protein powder is loaded with essential and non-essential amino acids, vitamins, and minerals to support your muscle growth goals.

Consisting of over 1,250 calories per serving with over 50 grams of protein and a blend of both fast and slow-digesting carbohydrates, Serious Mass Weight Gain Powder is the ultimate solution for those looking to gain weight and increase muscle size.

Benefits of Optimum Nutrition Mass Gainer

Benefits of Optimum Nutrition Mass Gainer

ON Serious Mass Gainer offers numerous benefits to help you gain weight and build muscle:

  • High-Calorie Content: ON Serious Mass contains over 1,250 calories per serving, providing the energy you need to fuel your workouts and support muscle growth.
  • Quality Protein: Each serving of ON Serious Mass Gainer contains 50g of protein, sourced from a blend of high-quality whey and casein proteins, supporting muscle recovery and growth.
  • Balanced Carbohydrates: With 252g of carbohydrates per serving, ON Serious Mass provides the energy and fuel required for your workouts while minimising the risk of fat storage.
  • Vitamins and Minerals: ON Serious Mass is fortified with 25 vitamins and minerals to support your overall health and well-being during your weight gain journey.
  • Enhanced with Creatine and Glutamine: ON Serious Mass includes 3g of creatine monohydrate and 5g of glutamine and glutamic acid per serving to support strength, recovery, and muscle growth.

Pricing Information

The ON Serious Mass Gainer price varies depending on the size and flavour you choose. For instance, the ON Serious Mass Gainer 5kg, ON Serious Mass Gainer 3kg, and ON Serious Mass Gainer 1kg options have different price points. You can compare prices on our website to find the best deal and buy ON Serious Mass Gainer at an affordable rate.

Flavours Available

Optimum Nutrition Mass Gainer comes in a variety of delicious flavours to suit your taste preferences. Some popular options include Chocolate, Vanilla, Strawberry, and Banana. With such a wide range of flavours, you’ll never get bored of consuming ON Serious Mass.

Nutrition Facts

ON Serious Mass Nutrition Facts showcase its impressive calorie, protein, carbohydrate, and fat content. In each serving, you get:

  • Over 1,250 calories
  • 50g of protein
  • 252g of carbohydrates
  • 4.5g of fat

Additionally, ON Serious Mass contains 25 vitamins and minerals, 3g of creatine monohydrate, and 5g of glutamine and glutamic acid, supporting your overall health and muscle-building efforts.

How to Consume?

To consume ON Serious Mass, mix two heaping scoops with 24 oz (710 mL) of water, milk, or your favourite beverage. Blend or shake for 30 seconds, ensuring that the powder is fully dissolved. For best results, consume one serving daily in addition to your regular meals.

When to Consume?

The optimal time to consume ON Serious Mass is post-workout when your body is in recovery mode and requires nutrients to support muscle growth. You can also consume it between meals, before bed, or as a meal replacement to meet your calorie and protein requirements.


Maltodextrin (75%), Protein Blend (18%) (Whey Protein Concentrate, Calcium Caseinate, Whey Powder) (Emulsifier: INS 3221), Cocoa Powder (Processed with Alkali), Artificial Flavor (Chocolate), Creatine Monohydrate, L-Glutamine, Vitamin and Mineral Blend (Sodium Chloride, Calcium Phosphate Tribasic, Magnesium Phosphate, Calcium Lactate, L-Ascorbic Acid, Zinc Sulfate, DL-Alpha-Tocopheryl Acetate, Nicotinamide, Ferric Pyrophosphate, Manganese Sulphate, Calcium D-Pantothenate, Pyridoxine Hydrochloride, Riboflavin, Thiamine Mononitrate. Retinyl Palmitate, Folic Acid, D-Biotin, Potassium Iodide, Chromium Chloride, Sodium Molybdate, Sodium Selenite, Ergocalciferol, Cyanocobalamin), L-Choline Bitartrate, Sweetener (INS 950), Inositol, Medium Chain Triglycerides Powder.

ALLERGENS: Contains MILK and SOY. Processed in a plant where nut(s) containing products are manufactured.

These high-quality ingredients work together to provide you with the essential nutrients needed for muscle growth, recovery, and overall health.

Side Effects

As with any supplement, ON Serious Mass may cause side effects in some individuals. These side effects are generally mild and include:

  • Bloating and gas: The high protein content in ON Serious Mass can cause bloating and gas in some individuals, especially if you’re not used to consuming large amounts of protein.
  • Weight gain: While ON Serious Mass is designed to help you gain weight, consuming too many calories without engaging in regular exercise can lead to unwanted fat gain.
  • Allergic reactions: Some individuals may be allergic to specific ingredients in ON Serious Mass, such as whey, casein, or egg proteins. If you experience any allergic reactions, discontinue use and consult your healthcare professional.

To minimise the risk of side effects, start with a smaller serving size and gradually increase as your body adjusts to the increased calorie and protein intake. Also, ensure you’re engaging in regular exercise to promote muscle growth and minimise fat gain.


ON Serious Mass is an excellent weight gainer supplement, designed to help you build muscle and gain weight effectively.

With its high-calorie content, quality protein blend, and a range of delicious flavours, it’s the perfect supplement for your fitness journey.

Whether you opt for ON Serious Mass Gainer 5kg, ON Serious Mass Gainer 3kg, or ON Serious Mass Gainer 1kg, you can enjoy the benefits of this powerful supplement.

Don’t wait any longer – buy ON Serious Mass Gainer today and start reaping the rewards of this fantastic product!

What is ON Serious Mass Gainer?

This mass gainer is a perfect blend of nutrition and essential components that helps you gain a muscular body without any side effects. When your diet can’t fulfil your calorie count, you can opt for On mass gainer. This healthy mass gainer contains extra calories to help you complete your daily requirement of carbs, protein, and fats.

Who needs this optimum nutrition mass gainer?

Mass gainers like Optimum Nutrition (ON) Serious Mass is necessary for people who are very active and don’t have time to take a balanced diet to stay fit. The Gainer is also suitable for people who struggle to gain weight with food alone. This product is also meant for athletes, fitness enthusiasts, workout professionals, and lean people to increase muscle mass.

What’s in a bottle of ON Serious Mass Gainer?

This mass gainer contains all the nutrition content your body needs to increase healthy weight and remain fit. A serving of 2 scoops contains 1200+ calories with high-quality 50g protein. Each serving of around 334 g has 250 g of carbohydrates and essential vitamins and minerals like Iron, Chromium, Magnesium, Manganese, Zinc, Vitamin E, Iodine, Phosphorus, Vitamin C, B6, B12, etc

How can you consume ON Serious Mass Gainer?

You can have On Gainer in delicious ways. One alternative is to take two scoops of powder into water or warm milk and blend it for a smooth drink. The second way is to add fruits into oats or cereal with two tablespoons of the blend for a perfect breakfast. If you are new to consuming such mass gainers, take only half a tablespoon with milk or cold water before and after a workout.

Is this mass gainer helpful for lactose intolerant people?

Mass gainers are a good option for people allergic to milk or milk-based products. The drink offers benefits for all since it is sourced from amino acids. Amino acids help ease digestion and gain healthy mass without any side effects.

How much should you consume this On Mass Gainer?

Mass gainers are the best option for those who do hard workouts daily and look for high energy and healthy weight gain. First-timers should only take 50-150 grams of powder, either with milk or cold milk, and try first. Your serving should also depend on how much weight you want to gain. You should always follow the rules and suggestions of your trainer/dietician. Ideally, one must take a supplement of around 1-1.5g for 453g of body weight.

ON Serious Mass Gainer Price in India

ON Serious Mass Gainer Reviews

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The product information provided here is for reference only. We cannot guarantee 100% accuracy of images, description or any other data with the actual physical product. Cross-check product related information, content and label from the brand customer care before ordering. Consult your doctor or nutritionist before consuming any product.

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