What's new with Serious Mass?

Not only does Serious Mass have a fresh new look, but it also has added 3 grams of creatine to support your performance.

The label looks different compared to the previous one I got, is it still the same OPTIMUM NUTRITION product?

As you evolve, so do we. The part of our mission is to help active individuals better understand OPTIMUM NUTRITION products. Now choosing the right product for you is easier with more visible product benefits, features and flavours on each tub.

The tub is not full to the brim when opened, why is that?

This is completely normal and is to do with the way the powder is vacuum packed into the tub. The powder settles over time. This does not impact the weight or number of servings listed on the label.

What is the best way to prepare Serious Mass drink?

To get the optimal consistency and prepare your drink in easy and convenient way, we recommend using a blender. For optimal use, follow serving instructions on pack.

Are the ingredients tested and safe?

All of the ingredients in our products have been approved and considered safe for consumption by the European Food Safety Authority.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Optimum Nutrition Serious Mass Protein Powder, 2.73 kg, 16 Servings

Product ID: 47866853

Details

Brand
Optimum
Diet type
Vegetarian
Flavour
Strawberry
Item weight
5.45 Kilograms
Material Type Free
Sugar Free
Product benefits
Muscle Growth

⚡3g creatine monohydrate

💪50g protein/serving

🔥1,255+ calories/serving

AR$678752

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your bulk game with Serious Mass — because average gains are so last season!

CALORIE POWERHOUSE - Fuel your gains with over 1,250 calories per serving—perfect for serious size seekers.
CARB LOADED ENERGY - 250+ grams of carbs to replenish glycogen and keep you energized post-workout.
VERSATILE DELICIOUS - Six crave-worthy flavors that mix effortlessly—customize with your favorite add-ins for ultimate taste.
ENHANCED PERFORMANCE FORMULA - Infused with creatine, L-glutamine & glutamic acid for next-level training intensity.
MUSCLE BUILDING PROTEIN BOOST - 50 grams of premium protein to amplify muscle growth and recovery.

Optimum Nutrition Serious Mass is a high-calorie mass gainer protein powder designed for athletes and fitness enthusiasts aiming to build serious muscle and size. Each serving delivers over 1,250 calories, 50 grams of protein, and 250 grams of carbohydrates, enriched with creatine and essential vitamins to support intense training and recovery. Available in six delicious flavors, it’s the go-to formula for those who struggle to gain weight or need a convenient calorie boost between meals.

Specifications

ASIN	B0001FSWMM
ASIN	B0001FSWMM
Age Range Description	Adult
Allergen Information	Contains: Cereals containing Gluten, Egg may contain, Milk, Nut, Peanuts may contain, Soy
Benefits	Muscle Growth
Best Sellers Rank	1,657 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 23 in Whey Nutrition Protein
Brand Name	Optimum Nutrition
Country Of Origin	United Kingdom
Country of origin	United Kingdom
Customer Reviews	4.5 4.5 out of 5 stars (3,769)
Customer reviews	4.5 4.5 out of 5 stars (3,769)
Diet Type	Vegetarian
Flavour	Strawberry
Global Trade Identification Number	05060245600934
Guaranteed software updates until	unknown
Is discontinued by manufacturer	No
Item Dimensions	29.2 x 14 x 40.6 centimetres
Item Highlight	Strawberry, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building
Item Weight	5.45 Kilograms
Item model number	1031917
Manufacturer	OPTIG
Manufacturer	OPTIG
Manufacturer Contact Information	4 Waterside, Dublin 24, Ireland
Manufacturer Part Number	1031917
Material Type Free	Sugar Free
Model Name	Serious Mass 5.45kg
Model Number	1031917
Net Content Volume	13.88 Litres
Number of Items	1
Package Type Name	Tub
Product Dimensions	29.21 x 13.97 x 40.64 cm; 5.45 kg
Protein	15 g
Protein Source	Whey
Recommended Uses For Product	Post-Workout, Pre-Workout
Total Servings Per Container	16
Unit Count	5450.0 gram
Vitamins And Minerals	0.56 g

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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