BULK MUSCLE XL is exactly what you are looking for – a Lean HARDCORE Muscle Building Gainer. It delivers more protein, more carbohydrates, more calories and more quality LEAN MUSCLE in a powerful punch. Our amino profile is second to absolute none and provides substantial growth, recovery, and strength when you need it most. It is a monumental hardcore GAINER profile that helps to support even the most strenuous and intense workouts.*