Optimum Nutrition (ON) Serious Mass - 11 Lbs

The Ultimate Mass Gainer for Serious Results : Packing a massive 1251 calories per serving (varies by flavour), Serious Mass is engineered for individuals who struggle to gain weight or have very high energy demands. It’s loaded with 50g of high-quality protein and over 250g of carbohydrates, helping you fuel growth and support recovery in the most effective way.
Protein-Rich Power for Muscle Development : Each serving delivers 50 grams of blended protein from vegetarian sources, helping repair and build muscle mass after intense workouts. It’s the perfect post-training or between-meals shake to support your physique goals.
Enhanced with Performance Nutrients : Serious Mass goes beyond just calories it includes added creatine monohydrate, glutamine, glutamic acid, and 24 essential vitamins and minerals to help fuel performance, improve recovery, and support overall health.
When and How to Use : Ideal for post-workout recovery or between meals, this calorie-dense shake helps add carbs and protein to your daily intake without sacrificing taste. Simply mix with water or cold milk for an even richer calorie boost.
Perfect for Hard Gainers : Whether you have a fast metabolism or are an athlete with extreme energy needs, Serious Mass gives your body the extra fuel it requires to gain healthy weight and build strength over time.
ON’s Uncompromising Quality Promise : Manufactured in NSF GMP for Sport Registered facilities, each ingredient is carefully selected and rigorously tested. With ON, you're getting quality, consistency, and results every time.

7 Day Return Policy We offer you complete peace of mind while ordering at Nutristar- you can return or replace all items within 7 days of receiving the goods. To be eligible for it, your item must be unused, unopened and product packaging should be intact as you received. Please Note: For all claims related to receiving a damaged or wrong product, we advise you to share a video evidence of unboxing and the issue. We may not be able to entertain claims of a damaged product being received without a video proof at the time of unboxing. Requests arising for change of mind, wrong flavour selection, or accidental ordering do not qualify under our return policy.