Push your mass-building limits with the powerfully formulated Raw Nutrition CBUM Mass Gainer. Developed in collaboration with 6-time Mr. Olympia Classic Physique champion Chris Bumstead (CBUM), this high-performance mass gainer packs serious calories, clean ingredients, and muscle-fueling nutrition per scoop.
Calories: ~1,070 kcal per 4-scoop serving—ideal for effective bulking
Protein: 53 g — a blend of whey concentrate, whey isolate, and micellar casein for fast and sustained amino support
Carbohydrates: ~196 g from premium sources (maltodextrin, Carb10®, sweet potato starch, oat flour, quinoa) for steady energy—not just empty calories
Fats: 6 g—low overall, including MCT powder for clean energy
Extras: Includes 2,500 mg each of creatine monohydrate and L-glutamine, plus key electrolytes: potassium, sodium, calcium—built for performance and recovery
