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Optimum Nutrition ON Serious Mass 6lb Protein Powder

About This Item

Serious Mass is the ultimate muscle building and weight gain formula.

BENEFITS & FEATURES:

  • With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery
  • This powder makes the ideal post-workout and between meals shake for sizing up your goals
  • Serious Mass provides you with the tools you need to support your weight gains goals
  • Brand : Optimum Nutrition
  • Country of Origin : United States of America
  • Style : 2730311, 2730096, 2730097
  • Web ID: 16ONUUNSRSMSSBNN6GAA

REVIEWS

4.7
100%
Recommended

243 Reviews

Verified Purchase

Serious Mass Protein Power

I love this stuff! It taste so good and it helps me achieve my goals.

Verified Purchase

Optimum Nutrition Serious Mass Is Great!

Optimum Nutrition Serious Mass Vanilla is really great tasting. I use it every day and will continue purchasing this product although I might try Chocolate next time for a treat.

Verified Purchase

Good Chocolate Taste

taste very good, great for wanting to gain weight.

Verified Purchase

Wooo!

Great for mass!! This is what you need if you want to get the real gains

Verified Purchase

Double Chocolate

Tastes amazing and mixes very well in shaker bottle

Verified Purchase

Serious Muscle Growth

I've packed on 35lbs of muscle using this product along with weight training. I highly recommend it for a boost in muscle growth.

The Best During My Gym Journey

[This review was collected as part of a promotion.] Optimum Nutrition Mass Gainer in Chocolate is a delicious and effective way to boost your calorie intake. It has a rich, smooth chocolate flavor that makes it enjoyable to drink, and it blends easily without clumps. Packed with a good balance of protein, carbs, and essential nutrients, it helps support muscle growth and recovery. Overall, it’s a great choice for those looking to gain weight or build muscle.

Verified Purchase

Great Weight Gaining Powder

Excellent product! I gained about 11 pounds in 2 weeks. Very flavorful and easy to digest.

Verified Purchase

Pb.... Strong 💪

This is worth every penny on the dollar... good product definitely buying again.

Verified Purchase

Great Taste & Texture. Effective.

Long-time Serious Mass user. I use it as a meal replacement for days when my schedule is jam packed and getting lunch is not an option. Tastes great. Quells my hunger and keeps my muscles fed.

Very Yummy Reccomend

[This review was collected as part of a promotion.] Taste really good and it’s very easy to mix and it’s defiantly working the texture is also good and very nice and smooth once mixed and it’s definitely worth its value

I Need More

[This review was collected as part of a promotion.] super amazing omg i need another one rn i just finished mine!!! it helped me create muscle mass very healthily since i don’t gain weight easy. its great and it lasted so long. tastes yummy like cake!!

Good Taste

[This review was collected as part of a promotion.] The taste was better than I was expecting! I made a strawberry banana chocolate smoothie and it was good! Lots of protein for not too many calories and didn’t leave the smoothie too chunky.

Verified Purchase

Great All Around

I started taking this to help me gain weight and help me eat more and within a week i already started gaining weight. and after a month it’s helped me gain 10 pounds, and I can eat more. The taste is great, it’s like a chocolate shake, I love it!

So Good

[This review was collected as part of a promotion.] This value pack is amazing. It tastes like chocolate milk and doesn’t have the artificial flavors like other powder. I really like the texture and the effectiveness

Read All Reviews (243)

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