Milk Protein Isolate (MPI) is the substance obtained by the partial removal of sufficient non-protein constituents (lactose and minerals) from skim milk so that the finished dry product contains 90% or more protein by weight. MPI may be produced by filtration (Microfiltration, Ultrafiltration & Diafiltration), dialysis or any other process by which all or part of the lactose is removed by a safe and suitable procedure. It contains the casein and whey proteins in their original proportions found in milk, without combining separately produced casein (caseinate) and whey proteins.
Milk Protein Isolate contains a minimum of 90% protein. It contains very little fat (typically less than 3%), carbohydrates or lactose and can be used as a daily supplement for those who do not consume the recommended amount of protein in their diet or those who are lactose intolerant. Milk Protein Isolate has very high amino acid composition that makes it ideal for use in protein bars and meal replacement powders.
Click here for a list of ADPI members that manufacture milk protein isolate.