Strong, tight, toned muscle is comprised, with the obvious exception of H2O, primarily of protein. A single serving of Complete Casein delivers 25 grams of anti-catabolic, slow digesting protein from micellar casein and caseinate. Casein proteins typically form a gel in the stomach and intestines, which slows and prolongs digestion. Because casein protein digests slower (typically 4–6 hours to completion) than rapid digesting whey protein, it provides amino acids over a longer time period than whey protein. This prolonged amino acid availability is what makes Complete Casein anti-catabolic. Complete Casein also contains Aminogen (a patented digestive enzyme complex) to help promote efficient and more complete protein utilization and absorption. Complete Casein is lactose and gluten free so it is suitable for almost anyone looking to increase protein intake. It mixes easily in a shaker and has that great Muscle Milk taste. Our products are manufactured in compliance with NSF International's GMP for Sport Registration, including semi-annual audits, verifying that no NSF 306-Certification Guideline Annex A List banned substances exist in our facility. Since we founded CytoSport in 1998, we've been dedicated to working with sports scientists, coaches and trainers to redefine protein enhanced products for active lifestyles and serious athletes-supporting performance when it matters. Over the years, we've expanded to create a comprehensive line that encompasses the athletic experience from preparation, to hydration, to recovery. Our products are among the very few that are manufactured in a NSF International GMP for Sport Registered facility. Our facilities are also inspected and regulated by the FDA. We carefully manufacture our powder products and ready-to-drink pre-blends onsite at our corporate campus in Benicia, California. Making efficacious products for athletes and active lifestyle individuals requires responsibility on all fronts. As our business has grown, so has our footprint. We have made environmental sustainability a focus and driver in everyday decision making. For more, please visit our website. Through it all, CytoSport has been committed to one thing, building athletes from the inside out. Greg and Mike Pickett, Father/Son. 25g Lean Protein. 100 mg Aminogen. Lactose Free. 1g Carbs. 1g Fat. 110 Calories. Manufactured Free of Banned Substances in a NSF GMP for sport registered facility. Pre-Post.