Whey protein concentrate is a powder produced by filtration and by removing minerals and lactose from whey, and it contains 35–80% protein. This product has high solubility, high water-absorption capacity, gel-forming ability, emulsifying properties, and foaming capacity. It is considered a suitable substitute for milk powder. Applications: 1- Use in the dairy industry to increase total solids and prevent whey separation in yogurt. 2- In the bakery industry, to improve bread crust color and reduce staling. 3- In the meat industry, to increase the protein content of the product and also as a binder. 4- In the production of pasta, seasonings, pudding, ice cream, and cheese. 5- To improve the nutritional value of food products and enrich them with protein. 6- A suitable alternative to egg white due to its high sulfhydryl content.