Food and supplement formulation

Dairy ingredients with different formulation roles

This topic brings together two dairy-derived ingredients: colostrum powder and milk protein isolate. They are not interchangeable. Milk protein isolate (MPI) is a concentrated milk-protein ingredient containing both casein and whey. Colostrum powder is made from the first fluid produced after birth, so its composition and processing differ from those of ordinary milk ingredients.

MPI fits formulations seeking milk proteins, including high-protein foods and nutrition products. Colostrum powder is used in supplements and some food applications, but its composition depends on the source and processing. If a formulation relies on a particular colostrum component, such as immunoglobulins, the ingredient name alone does not establish its level.

Compare specifications on the right basis

For MPI, compare protein content and whether it is reported on an as-is or dry basis. Review moisture, fat, lactose and ash alongside protein; a protein percentage alone does not describe the ingredient fully. Reference values are not a substitute for a current lot specification.

For colostrum powder, request its composition and any assays relevant to the intended function. Ask whether it is whole or defatted and how it was dried. Spray- and freeze-drying are distinct processing routes, and processing conditions can affect bioactive components. Confirm the actual product’s documentation rather than assuming one profile applies to all powders.

Plan for intended use and allergen controls

Both ingredients are milk-derived and need to be considered in milk-allergen planning for applicable U.S. food and supplement products. Check ingredient statements and allergen-control documentation for the product and facility. Food or supplement use does not by itself establish suitability for another product category or support a health claim.

Common questions.