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.Customs & duties included in the price

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Optimum Nutrition Serious Mass Protein Powder, 2.73 kg 8 Servings | Strawberry, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Supports Muscle Building

Product ID: 47941572

Details

Brand
Optimum
Diet type
Vegetarian
Flavour
Strawberry
Item weight
2.73 Kilograms
Material Type Free
Sugar Free
Number of items
1

⚡3g creatine for power

💪50g protein muscle boost

🔥1250+ CAL per serving

¥28178

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your muscle game with Serious Mass — because gains wait for no one!

CALORIE POWERHOUSE - Fuel your gains with 1250+ calories per serving—because average just won’t cut it.
CLEAN NUTRIENT RICH - No added sugar, under 5g fat, plus 25 essential vitamins and minerals for holistic recovery.
PERFORMANCE AMPLIFIER - 3 grams of creatine monohydrate to push your limits during every workout.
MUSCLE GROWTH MAXIMIZER - 50 grams of premium protein to sculpt and support serious muscle development.
FLAVOR VARIETY FOR EVERY PALATE - Six crave-worthy flavors to keep your post-workout ritual exciting and delicious.

Optimum Nutrition Serious Mass is a high-calorie mass gainer protein powder delivering over 1250 calories, 50g of protein, and 3g of creatine monohydrate per serving. Designed for athletes and fitness enthusiasts, it supports muscle growth, recovery, and performance with a clean formula featuring 25 essential vitamins and minerals, low fat, and no added sugar. Available in six flavors, it’s the ultimate convenient solution for serious weight gain and muscle building.

Specifications

ASIN	B0015R36XU
ASIN	B0015R36XU
Age Range Description	Adult
Allergen Information	Contains: Milk may contain
Benefits	Weight Gain
Best Sellers Rank	682 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 30 in Whey Nutrition Protein
Brand Name	Optimum Nutrition
Country Of Origin	United Kingdom
Country of origin	United Kingdom
Customer Reviews	4.4 4.4 out of 5 stars (5,830)
Customer reviews	4.4 4.4 out of 5 stars (5,830)
Diet Type	Vegetarian
Flavour	Strawberry
Global Trade Identification Number	00748927023015
Guaranteed software updates until	unknown
Is discontinued by manufacturer	No
Item Dimensions	20.3 x 20.3 x 25.7 centimetres
Item Weight	2.73 Kilograms
Item model number	1031919
Manufacturer	OPTIG
Manufacturer	OPTIG
Manufacturer Contact Information	4 Waterside, Dublin 24, Ireland
Manufacturer Part Number	1031919
Material Type Free	Sugar Free
Model Name	Optimum Nutrition Serious
Model Number	1031919
Net Content Volume	11.91 Litres
Number of Items	1
Package Type Name	Tub
Product Dimensions	20.32 x 20.32 x 25.7 cm; 2.73 kg
Protein	15 g
Recommended Uses For Product	Post-Workout, Pre-Workout
Total Servings Per Container	8
UPC	748927023015
Unit Count	2730.0 gram
Vitamins And Minerals	0.6 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.

How long does delivery take and is it reliable?+

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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¥28178

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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