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Russian Bear 10000 Weight Gain Formula is a high-calorie mass gainer designed for serious athletes looking to build muscle and gain weight. This advanced formula contains a powerful blend of proteins, complex carbohydrates, and essential nutrients to support extreme muscle growth and recovery. Key features: • 1860 calories per serving for maximum weight gain • 121g of high-quality protein per serving • 81g amino acids for muscle recovery • Advanced formula for ultimate results • Chocolate flavor • 15 lb total weight This extreme mass gainer supplement is specifically formulated for hard gainers who struggle to put on size through diet alone. The balanced combination of fast and slow-digesting proteins helps provide sustained nutrient delivery throughout the day. Mix with milk or water based on your caloric needs. Best consumed immediately after workouts or between meals to help meet high daily calorie requirements.