Russian Bear 10000 is a high-calorie weight gain formula designed for athletes and bodybuilders looking to build serious mass. This advanced formula delivers 1860 calories per serving along with high-quality proteins and complex carbohydrates to support extreme muscle growth and weight gain goals. Key features: • 1860 calories per serving • 121g of high-quality protein per serving • 81g amino acids for muscle recovery • Complex carbohydrate blend • Advanced weight gain formula • Chocolate flavor • 15 lbs (6.8kg) package size Russian Bear 10000 is specifically formulated for hard gainers who struggle to put on size through diet alone. The specialized blend of proteins, carbs, and nutrients helps maximize muscle growth and recovery when combined with proper training. The chocolate flavor makes it easy to consume the high-calorie servings needed for gaining mass. This large 15 lb bag provides multiple servings to support long-term bulking goals.