MHP brings the most advanced mass packing technology to your nutrition program with Up Your MASS. The result of over 10 years of research and development, Up Your MASS is so powerful, it can pack on up to 16 lbs. of mass onto the frame of hard gainer in as little as 5 weeks! The quality and quantity of muscle building nutrients in Up Your MASS make this weight gain formula unparalleled – we don’t believe you will ever find another weight gainer that works as effectively as Up Your MASS!