Dear Valued Customer, I hope this message finds you well. We wanted to inform you that Optimum Serious Mass in the 1 kg variant is currently not in production by the company. However, we do have the following options available: Optimum Nutrition (ON) Serious Mass: Chocolate, 12 Lbs (5.44 KG) Optimum Nutrition (ON) Serious Mass: Chocolate, 6lb (2.73 KG) Thank You!

When the date of expiry?

1 year ahead is the minimum requirement of all nutritional stuff in Amazone

Is there a version of this product without creatine?

Hi, This product contains Creatine. There is no version of this product without creatine.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

(ON) Serious Mass: High Protein Muscle Building & Weight Gainer Protein Powder, 50 Grams of Protein, Vitamin C, Zinc And Vitamin D For Immune Support - Chocolate, 6 Lbs (2.72 KG)

Product ID: 249603014

Details

Brand
Optimum
Flavour
Chocolate
Item weight
0.27 Kilograms
Material type free
Finished
Servings per container
8

⚡25 Vitamins & Minerals + Creatine boost

💪50g Blended Protein for muscle recovery

🔥1,250 Calories per serving

R3467

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Description

💥 Bulk Up, Power On: Serious Mass for Serious Gains!

CLEAN CARB SURGE - Over 250g of carbohydrates with zero added sugar for sustained energy without the crash.
CALORIE POWERHOUSE - Fuel your gains with a massive 1,250 calories per serving—because size matters.
RECOVERY AMPLIFIERS - Enhanced with Creatine, Glutamine, and Glutamic Acid for faster post-workout recovery and muscle endurance.
IMMUNE BOOSTING ESSENTIALS - Infused with Vitamin C, Zinc, and Vitamin D to keep your defenses strong while you bulk.
PROTEIN PACKED PERFORMANCE - 50 grams of premium blended protein to accelerate muscle repair and growth.

Optimum Nutrition Serious Mass is a high-calorie, high-protein weight gainer designed for adults seeking rapid muscle growth and mass gain. Each 6 lb container delivers 1,250 calories, 50 grams of blended protein, and over 250 grams of carbs per serving, enriched with 25 essential vitamins and minerals plus recovery-boosting creatine and glutamine. Perfect for post-workout or between meals, this chocolate-flavored shake supports muscle recovery, immune health, and sustained energy without added sugars.

Specifications

ASIN	B06XH28C1K
ASIN	B06XH28C1K
Age Range Description	Adult
Best Sellers Rank	#1,123 in Health ( See Top 100 in Health ) #47 in Sports Supplements
Brand Name	Optimum Nutrition
Country of Publication	USA
Country of origin	USA
Customer Reviews	4.2 4.2 out of 5 stars (313)
Customer reviews	4.2 4.2 out of 5 stars (313)
Diet Type	Vegetarian
Flavor	Chocolate
Is Discontinued By Manufacturer	Yes
Item Dimensions	8 x 4 x 6 centimeters
Item Nype Name	HEALTH_PERSONAL_CARE
Item Weight	0.27 Kilograms
Item model number	SERIOUS MASS CHOCOLATE 6lbs
Manufacturer	Optimum Nutrition
Manufacturer	Optimum Nutrition
Manufacturer Part Number	SERIOUS MASS CHOCOLATE 6lbs
Material Type Free	Finished Product
Model Number	SERIOUS MASS CHOCOLATE 6lbs
Number of Items	1
Package Type Name	Bottle
Product Benefits	High Calorie, High Protein formula for Muscle and Mass Gain Support
Product Dimensions	8 x 4 x 6 cm; 272.1 g
Protein Source	Whey
Total Servings Per Container	8
UPC	748927022995 748927070132
Unit Count	2720 Grams

Common Questions

Are the products genuine and authentic?+

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.

What is Desertcart? Is it safe to order from?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

R3467

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews