Maximun Human Performance Up Your Mass XXXL 1350 is a nutrient-dense weight gainer loaded with 1350 muscle-building calories. Each serving provides 50 grams of fast-acting and sustained-release protein to help you build muscle mass, increase strength, and boost recovery.
This advanced protein matrix of whey protein concentrate, whey protein isolate, hydrolyzed whey protein, and slow-digesting proteins (micellar casein and milk protein) provides both fast and long-term nitrogen retention benefits.
It provides powerful gains in hard, dense muscle mass.