Hyper-Anabolic Mass Gainer - Built By Science. Driven By Obsession. Elevated Through Innovation. If its on our labels, then its in our bottles. The ultimate gainer for mass, power and size. Proven Ingredients. Proven Doses. Clinical Quality. Real Science. Real Results. SUMMARY: Re-Built Mass XP is a hyper-anabolic, high-protein, high-calorie mass gainer targeted to engorge muscles for the ultimate mass power and size subjects seek. Featuring a high-leucine protein blend and an advanced creatine complex, it is scientifically designed for maximum effect. KEY BENEFITS MAXIMUM MUSCLE SUPPORT: Features clinically studied components shown to improve muscle size, stamina, and strength. Loaded with 60g of protein to fuel ripped muscles and 140g of high-quality carbohydrates to support massive gains. ANABOLIC FUEL: With clinically dosed whey and leucine blend shown to trigger anabolic recovery, improve post-training anabolic response, boost post-training insulin for anabolic recovery, and impact key genes in muscle tissue required for muscle growth, recovery and repair. HIGH-QUALITY MACROS: Carbs Includes high-quality complex carbohydrates to fuel high-intensity exercise. Protein Supplies 60g of high-quality whey protein, including whey protein isolate, whey protein concentrate, calcium caseinate, and hydrolyzed whey protein. Adequate amounts of protein are crucial to supporting subjects muscles and keeping a positive nitrogen balance. Fat Features a prime combination of MCTs, canola, and CLA powders. LEARN MORE ABOUT THE INGREDIENTS: e-Built Mass XP contains clinically studied components shown to improve muscle size, performance and strength. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.