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Optimum Nutrition Serious Mass

4.7
Rated 4.7 out of 5 stars
88 Reviews
Mass Gainer
Limited stockAvailable at our store

⦁ High-Calorie, High-Protein Formula Supports Weight Gain And Muscle Building Goals ⦁ 1200+ Cal... Read More

Sale price$159.99 CAD
Customer Reviews
4.7
Rated 4.7 out of 5 stars
Based on 88 reviews
Total 5 star reviews: 69 Total 4 star reviews: 14 Total 3 star reviews: 2 Total 2 star reviews: 0 Total 1 star reviews: 3
84%would recommend this product
88 reviews
  • Rated 5 out of 5 stars
    1 month ago
    Highly recommended!

    Serious Mass is an essential part of my fitness routine. It helps me meet my daily calorie goals and keeps me feeling energized during my workouts. Highly recommended!

    H
    Henry
    Verified Reviewer
  • Rated 5 out of 5 stars
    1 month ago
    I've gained a solid amount of mass

    A great option for anyone serious about gaining weight. I've gained a solid amount of mass in just a few weeks, and it fits perfectly into my nutrition plan.

    J
    James
    Verified Reviewer
  • Rated 5 out of 5 stars
    1 month ago
    Love this

    I've tried several weight gainers, but Serious Mass stands out in quality. It delivers the right balance of protein and carbs, helping me pack on lean muscle effectively.

    W
    William
    Verified Reviewer
  • Rated 5 out of 5 stars
    1 month ago
    Really pleased with my progress!

    This mass gainer is effective and easy to mix. It provides a great calorie boost, making it perfect for my post-workout recovery. I’m really pleased with my progress!

    B
    Benjamin
    Verified Reviewer
  • Rated 5 out of 5 stars
    1 month ago
    Awesome

    Serious Mass has been a game-changer for my weight gain goals. I've noticed a significant increase in muscle mass and overall strength since I started using it.

    N
    Noah
    Verified Reviewer
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