Optimum Nutrition Serious Mass Protein Powder Reviews Summary
Ratings Breakdown
Rated 4.5 by 51,451 people
Pros from Reviews
- Great taste
- Effective for weight gain
- Easy to mix
- Good value for money
- Filling
- Variety of flavors
- Lightweight
- Suppresses appetite
Cons from Reviews
- Can be clumpy
- High in carbs
- Large scoop size
- May cause dehydration
- Heavy drink
- Not suitable without exercise
Notable Features
High Calorie
Protein Blend
Vitamin/Mineral Blend
Artificial Flavor
Caffeine Free
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