Optimum Nutrition
0 ratings
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
genuine image
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Serious Mass is the ultimate muscle building and weight gain formula.
Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)
Item #: 21952626

Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg)

Item #: 21952626

USD 85

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Only 19 items left in stock.
Order now and get it around Thursday, August 27
Secured transactionsecured 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
  • fedex
  • dhl
Serious Mass is the ultimate muscle building and weight gain formula.
Show More
Show More
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment

What Stands Out

High Caloric Density
Packed with 1,250 calories per serving, Serious Mass is ideal for users looking to gain weight quickly and effectively while providing essential nutrients and energy for workouts.
Rich Taste Profile
Combining chocolate and peanut butter flavors, this protein supplement offers a delicious experience, making it easier for users to consume the high-calorie intake needed for muscle growth and recovery.
Comprehensive Nutritional Blend
Formulated with 50 grams of protein and various vitamins and minerals, it addresses the nutritional needs of those aiming for serious muscle mass gain in a well-rounded, effective product.

Product Details

Shop Optimum Nutrition Serious Mass, Protein Powder Supplement, Chocolate Peanut Butter, 6 lb (2.72 kg) online at a best price in Micronesia. 157509825
  • Ultimate muscle building and weight gain formula with 1,250 calories per 2-scoop serving
  • Contains 50 grams of protein for muscle recovery and support
  • Packed with nutrition including vitamin C, vitamin D, vitamin B12, and more
  • Includes creatine monohydrate and glutamine for enhanced muscle recovery
  • Features over 250 grams of carbohydrates per serving for weight gains goals
  • Dissolves easily and can be mixed with milk for a creamier, higher-calorie shake
Cal per serv1630cal
Total protein per serving50g
Primary ingredientProtein Blends, Whey
BrandOptimum Nutrition
FlavorPeanut Butter Chocolate
Product multifunction descriptorMuscle building, weight gain, post-workout drink, all-around nutrition
Serving size334.0
Serv per cont8
Size6 lbs
Dosage2 Scoops
Product lineSerious Mass
Vitamin & supplement typePerformance Supplements
Food formPowders
Age groupAdult
Country of OriginThis item will be imported from US
What is in the boxOptimum Nutrition Serious Mass... For more details, please check description/product details
Item Weight6 lbs (2.72 kg)

Who Should Buy?

Suitable For
  • Hard Gainers

    Individuals struggling to gain weight will find this high-calorie supplement beneficial for increasing mass effectively.

  • Athletes in Training

    Those participating in intense training can use this supplement to support muscle recovery and growth post-workout.

  • Busy Lifestyles

    Perfect for those with on-the-go lifestyles who need a quick and nutritious meal replacement to meet caloric needs.

Not Suitable For
  • Weight Watchers

    Individuals aiming for weight loss or calorie deficit diets may find the high caloric content counterproductive.

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: Who can use this product?

    Answer: Not for use by those with pre-existing medical conditions or taking any medications, those under the age of 18 or women that are pregnant or nursing.
  • Question: What are the allergens in this product?

    Answer: Contains Milk, Egg, Wheat (Glutamine Peptides) and Soy (Lecithin) Ingredients.
  • Question: Is Optimum Nutrition a reputable brand?

    Answer: Yes, Optimum Nutrition is part of the Glanbia global nutrition group and has been setting the Gold Standard in sports nutrition for more than 30 years.

Optimum Nutrition Whey Protein Editorial Review

Optimum Nutrition Serious Mass Protein Powder, Strawberry, 50g Protein, 6 Lb is a potent weight gainer designed to help individuals struggling to gain weight efficiently. With 50g of protein and 5760 calories per serving, this powder not only supports muscle recovery post-workout but also aids in immune system health. Many users have shared their positive experiences, with some noting significant weight gain and improved muscle definition after regular use. The taste, especially when blended with fruits or ice cream, is well-received, making it a favorite among those who often find it hard to consume enough calories. This product is ideal for adults looking to increase their caloric intake healthily while also enjoying the flavor of a milkshake.

Customer Reviews & Ratings

2717 customers ratings
  • 5 Star
    75%
  • 4 Star
    10%
  • 3 Star
    4%
  • 2 Star
    2%
  • 1 Star
    6%

Review this product

Share your thoughts with other customers

Pros

  • High protein content supports muscle gain
  • Great taste, especially with additives
  • Effective for those struggling to gain weight
  • Easy to mix with various ingredients
  • Good immune system support

Cons

  • May leave small clumps if not blended well

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
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.

USD 85

Order now and get it around Thursday, August 27

QTY:

Only 19 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 1,250 calories per 2-scoop serving
  • 50 grams of protein per serving
  • Over 250 grams of carbohydrates per serving
  • Includes creatine monohydrate and glutamine for muscle recovery support
  • Packed with vitamins and minerals for immune support
  • Dissolves easily for a smooth blending experience

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.