Dietary Supplement. The most powerful weightgainer ever developed. Triggers dramaticgains in hard, dense muscle mass and strength. Sustained release Probolic protein keeps you 100% anabolic. Optimizes insulin response for maximum musclegrowth. 124,000 mg Of 18 highly anabolic aminos per day! 26gglutamine, 9g leucine, 7g arginine, 23g BCAAs (Values represent 2 servings of Up Your Mass mixed with 32 total oz of whole milk.). 62g Protein per serving!gain 16 lbs of rock-hard muscle in 5 weeks! MHP brings the most advanced mass-packing technology to your nutritional program with Up Your Mass. The result of over 10 years of research and development, Up Your Mass is so powerful, it can pack 16 lbs of muscle onto the frame of the hardestgainer in just 5 weeks (2 daily servings of Up Your Mass will provide you with 11,228 extra calories per week of dense nutrition to help you pack on serious muscle. If your current caloric intake and workout regimen has you at a weightgaining roadblock, adding 11,228 calories of the superior nutrition found in Up Your Mass will allow you to pack on 3. 2 pounds per week-continue for 5 weeks and you'll be 16 lbs bigger and stronger than ever before! The superior quality and quantities of muscle building nutrients in Up Your Mass far outweigh those used in competitor weightgain formulas-you will never find another weightgainer that works as quickly and effectively as Up Your Mass! 45/35/20 Macrobolic Nutrition Ratio Creates the Perfect Metabolic and Hormonal Environment for Maximum Mass, Strength, Endurance and Recovery: Probolic Protein: The most advanced protein matrix ever developed, Probolic protein (Supro soy protein isolate, whey concentrate, casein) feeds your muscles for up to 8 hours. The sustained release profile provides a quick, medium and slow release of muscle building amino acids for both fast and long-term nitrogen retention.