- High-Calorie Mass Gainer – Each power-packed serving delivers 388 calories with 31 g of premium protein and 50 g of complex carbohydrates, perfect for serious mass gain, lean bulking, and muscle recovery after intense training.
- Balanced Macronutrient Formula – Expert mix of high-quality whey protein concentrate and blend of complex carbs (maltodextrin and oat flour), supporting muscle synthesis and restoring glycogen to fuel your next session.
- Trusted by Experts & Athletes – Designed with guidance from the Performance Advisory Board, blending science and athlete insight to deliver results-driven nutrition you can rely on.
- Convenient & Reliable Post-Workout Shake – Easy to prepare in a shaker or blender for use post-training, between meals, or any time you need an efficient, calorie-dense boost — ideal for daily use.
- Clean & Quality-Assured – From the UK's #1 protein brand, Myprotein ensures every batch is produced and tested to high standards—no banned substances and always free from fillers.
Protein Powders
Myprotein Impact Whey Gainer | Unflavoured – 2.5 kg (25 Servings) | Mass Powder Weight Gainer | 31 g Protein & 50 g Complex Carbs Per Serving | 388 Calories for Strength & Muscle Recovery
£42.95 (as of 03/31/2026 03:52 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)
High-Calorie Mass Gainer – Each power-packed serving delivers 388 calories with 31 g of premium protein and 50 g of complex carbohydrates, perfect for serious mass gain, lean bulking, and muscle recovery after intense training.
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