RC Mass Gainer XL, 6​ lbs

Key Ingredients

High quality protein blend to help build and maintain lean muscle mass

Complex & simple carbs to fuel your workouts and aid in recovery

Healthy fats for optimal body function & muscle building

Creatine - the most researched and proven effective supplement for increasing muscle mass

Fully Proven Formula

In your pursuit of king-sized mass you will be hitting the iron like a beast! That means you will need king-sized recovery.

Flooding your muscles with the protein and carbs in king mass xl™ will crank your insulin leading to more glycogen storage and recovery preparing you for your next brutal workout.