U.S. Dairy Supplier Directory Milk Proteins How to Search Common Questions Disclaimer View all 21 suppliers for products in this category — or — Refine your search by selecting products, attributes, and/or certifications: Search Start Your Search Products Select All Casein & Caseinate Micellar Casein Milk Protein Concentrate (MPC) Milk Protein Isolate (MPI) MPC 40-42 MPC 50-70 MPC 80-85 Product Attributes Certifications Select All Halal Kosher Organic Search Clear Start New Search