- Home Page /
- Health & Beauty /
- Vitamins & Lifestyle Supplements /
- Sports Supplements /
- Protein Shakes & Bodybuilding /
- Optimum Nutrition ON Serious Mass 5.4kg Weigh...
0 ratings
Item #:
77328536
Optimum Nutrition ON Serious Mass 5.4kg Weight Gainer Gain Protein Powder Shakes
Item #:
77328536
ETB 22294
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
In stock
Imported from UK store
QTY:
Only 15 items left in stock.
Order now and get it around Wednesday, August 05
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Serious Mass™ is the ultimate in weight gain formulas, with 1250 calories per serving and 50 grams of protein to support muscle growth and repair.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
High-Calorie Formula
Packed with 1,250 calories per serving, this weight gainer is designed to help users efficiently increase muscle mass and body weight without excessive effort.
Protein-Rich Blend
Contains 50 grams of protein per serving, featuring a mix of whey, casein, and egg proteins to support muscle recovery and growth after intense workouts.
Versatile Flavors
Available in multiple delicious flavors, this protein powder shake not only meets nutritional goals but also satisfies taste preferences, making it easier to incorporate into daily routines.
Product Details
| Feature - 1 | 1250 Calories Per Serving |
| Feature - 2 | 50 g of Whey Protein Per Serving |
| Feature - 3 | 25 Vitamins and Minerals |
| Feature - 4 | Ideal Formula to Support Weight Gains |
| Feature - 5 | Enjoy Post Work-out And Between Meals |
| Active Ingredients | Whey Protein |
| Activity | Bodybuilding, CrossFit, Fitness, Gym & Training, Weight Lifting |
| Brand | Optimum Nutrition |
| Custom Bundle | No |
| Expiry Date | Long Dated |
| Formulation | Powder |
| Gender | Unisex |
| Ingredients | Whey Protein |
| Main Purpose | Weight Management |
| Model | Serious Mass |
| Modified Item | No |
| MPN | instant mass heavyweight, iron mass, weight gainer |
| Product | Weight Gainer |
| Product Line | Serious Mass |
| Size | 5.4Kg |
| Supply | 16 Servings |
| Type | Weight Gainer |
| Type of Diet | Vegetarian |
| When to Take | Post-Workout |
| Country of Origin | United Kingdom |
| Package Weight | 14 Pound |
Who Should Buy?
-
Hardgainers
Ideal for individuals struggling to gain weight and muscle mass despite their best efforts in diet and training.
-
Athletes
Beneficial for athletes requiring extra calories and protein for recovery and muscle repair after intense training.
-
Busy Professionals
Convenient meal replacement for professionals on-the-go needing a quick source of calories and nutrients.
-
Weight Watchers
Not suitable for those on calorie-restricted diets, as it contains high calories and sugar content.
Product Description
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Have any Query? Chat with us
Customer Questions & Answers
-
Question: How to Shop Optimum Nutrition ON Serious Mass 5.4kg Weight Online From Ubuy?
Answer: It’s easy to shop Optimum Nutrition ON Serious Mass 5.4kg Weight online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question: Is Optimum Nutrition ON Serious Mass 5.4kg Weight Available to Shop Online in Ethiopia?
Answer: Yes, at Ubuy Ethiopia this product is available for you to shop at a reasonable price. The Optimum Nutrition ON Serious Mass 5.4kg Weight is not available locally but you can trust us with our express shipping services. -
Question: How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Optimum Nutrition Protein Shakes & Bodybuilding Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ETB 22294
Order now and get it around Wednesday, August 05
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 15 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Ultimate weight gain formula
- 1250 calories per serving
- 50 grams of protein per serving
- Supports muscle growth and repair
- Ideal for post workout and between meals shake
- Packed with essential nutrients
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.