Optimum Nutrition
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Optimum Nutrition Serious Mass Protein Powder, 50g Protein, (Variety of Sizes & Flavors)
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Optimum Nutrition Serious Mass Protein Powder, 50g Protein, (Variety of Sizes & Flavors)
Achieve your weight gain goals with Optimum Nutrition Serious Mass. This weight gain protein powder supplement is the ultimate weight gainer formula. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout recovery drink.
Optimum Nutrition Serious Mass Protein Powder, 50g Protein, (Variety of Sizes & Flavors)
Item #: 21952626

Optimum Nutrition Serious Mass Protein Powder, 50g Protein, (Variety of Sizes & Flavors)

Item #: 21952626

USD 85

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Order now and get it around Friday, August 21
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Achieve your weight gain goals with Optimum Nutrition Serious Mass. This weight gain protein powder supplement is the ultimate weight gainer formula. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout recovery drink.
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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 the best Strawberry flavored Serious Mass Weight Gainer Protein Powder from Optimum Nutrition. Supports immune system with Vitamin C, Zinc and Vitamin D. Packaging may vary. Buy now at Ubuy Micronesia.
  • Optimum Nutrition Serious Mass is a weight gainer formula with 1,250 calories and 50 grams of protein per serving
  • Packed with vitamin C, vitamin E, and zinc for immune support
  • Supports muscle recovery after a workout as a post-workout recovery drink
  • Contains over 250 grams of carbohydrates per serving for weight gain goals
  • Includes 25 vitamins and minerals, creatine, and glutamine for overall health support
  • Instructions recommend blending two scoops with 24 oz of water or milk for a high-calorie shake
Package Weight7.5 Pound

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

Optimum Nutrition Serious Mass Protein Powder, 50g Protein, (Variety of Sizes & Flavors)

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.


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Customer Questions & Answers

  • Question: How many servings does one container have?

    Answer: 8 servings
  • Question: What are the key ingredients for immune support?

    Answer: Vitamin C, Vitamin E, Zinc
  • Question: Does this supplement contain creatine and glutamine?

    Answer: Yes, it does

Optimum Nutrition Whey Protein Editorial Review

Optimum Nutrition - Serious Mass is a popular mass gainer supplement that has received mostly positive reviews from customers. Many users have reported experiencing weight gain and building muscle mass after using this product. The taste of the supplement is also highly praised, with flavors like banana and chocolate being particularly popular. One customer mentioned that they gained 2.5 pounds within a week of using this product only half-scoop as directed for beginners. They appreciated the ease of making the shake by simply adding the powder to milk or water. Another customer expressed their satisfaction with the quick delivery of the product, receiving it within two days of ordering. The nutrition content of Optimum Nutrition - Serious Mass is highlighted as a major advantage. It provides a large dose of carbohydrates with minimal fats and a good amount of protein, making it a well-rounded mass gainer supplement. Customers have also noted that it is easy to mix and does not have a chalky taste like some other powders. However, there are some drawbacks mentioned in the reviews. One customer expressed a desire for the product to last longer for the price paid, indicating that it may not be the most economical option. Another customer mentioned that the scoops are quite large, which may be a challenge for some users. Overall, Optimum Nutrition - Serious Mass seems to be a popular choice for individuals looking to gain weight and build muscle. The positive results, great taste, and reputation of Optimum Nutrition as a brand are the main points that stand out in customer feedback.

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Pros

  • Effective for weight gain and muscle building
  • Delicious taste, particularly banana and chocolate flavors
  • Quick delivery and easy to mix
  • Well-rounded nutrition content with a good balance of carbohydrates and protein

Cons

  • May not be the most economical option

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“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
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“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
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USD 85

Order now and get it around Friday, August 21

QTY:

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Features & Benefits

  • Ultimate weight gainer formula
  • 1,250 calories per serving
  • 50 grams of protein for muscle recovery support
  • Ideal post-workout recovery drink

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