on qualified purchases at our brands for a limited time.
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
Read More
REVIEWS
4.7
100%
Recommended
241 Reviews
Images
Sharp
Verified Purchase
1 week ago
Good Chocolate Taste
taste very good, great for wanting to gain weight.
Shot
Verified Purchase
2 weeks ago
Wooo!
Great for mass!! This is what you need if you want to get the real gains
Dave
Verified Purchase
1 month ago
Double Chocolate
Tastes amazing and mixes very well in shaker bottle
Mitch
Verified Purchase
2 months ago
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.
sofifav_4833
5 months ago
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.
