MusclePharm Combat Powder is a protein blend with slow, medium & fast release proteins. Protein sources include Whey Protein Isolate, Partially Hydrolyzed Whey Protein, Micellar Casein and Egg Albumen.Each serving provides 25g of Protein. Protein contributes to a growth in and maintenance of muscle mass.It also contains BCAAs and L-Glutamine to support repair, recovery and nitrogen retention. It also contains a digestive blend to promote nutrient utilization. As well as all this, MusclePharm Combat Powder tastes great and mixes easily too!