The Secret New Beef Protein Technology Used By Kai Greene to Pack On Muscle and Win the 2009 Arnold Classic. The Worlds First Beef Protein Isolate is 350% More Concentrated Than Steak and More Concentrated Than Whey. Contains Anabolic Nitrogen Retention Technology (ANRT) which helps recyle Aminos and minimizes Ammonia buildup in the body for greater muscle growth. Carnivor is the only protein with this technology that is capable of recycling aminos back into the anabolic muscle building pathways for increased nitrogen retention and improved muscle growth and performance. 20 Times the Creatine Content of Steak. Added BCAA for Increased Anabolic and Anti-Catabolic Effects.