Universal Animal M Stak 21 Packs

Muscle Mass Gainer is a delicious, high-calorie shake fortified with muscle-building protein, carbohydrates, creatine monohydrate, and essential nutrients. If you typically struggle to add size to your frame, Muscle Mass Gainer can help you quickly get the gains you want. It contains all the calories you need with just the right ingredient blend — to keep you in a continual muscle-building state.