Pieces and parts of cow's milk and dairy... found in thousands of products (food, drinks, medicines, and more). milk protein protein concentrate Lactose Lactoglobulin Lactalbumin Lactalbumin phosphate Sodium lactylate (may or may not contain casein) Lacto globulin Lactulose (a drug) Malt Malt Extract Malt Syrup Casein Caseinate Sodium Caseinate Calcium Caseinate Magnesium caseinate Whey Whey Powder Delactosed whey Demineralized whey "Beverage Whitener" ..generally Caramel Colour.. sometimes (O.K. if pure colour & not adulterated) A "D" on a label next to "K" or "U" indicates presence of milk protein