Look for whey protein in the ingredients label listing of your favorite foods and beverages
Whey protein ingredients go by many names, such as whey protein, whey protein concentrate, whey protein isolate and hydrolyzed whey protein. Each is the form of whey protein best suited for the product at hand.
In many cases, products will have more than one kind of whey ingredient, such as is the case with the ingredients listing on this typical whey protein bar.
INGREDIENTS: WHEY PROTEIN CONCENTRATE, WHEY PROTEIN ISOLATE, HYDROLYZED WHEY PROTEIN, CHOCOLATE FLAVORED COATING (SUGAR, PARTIALLY HYDROGENATED PALM KERNEL OIL, NONFAT DRY MILK SOLIDS, COCOA POWDER PROCESSED WITH ALKALI, WHOLE MILK SOLIDS, SOY LECITHIN, NATURAL FLAVOR, SALT AND ARTIFICIAL FLAVOR), GLYCERLEAN, PEANUTS, CARAMEL, SUGAR, HIGH FRUCTOSE CORN SYRUP, WATER, NATURAL AND ARTIFICIAL FLAVOR, PEANUT FLAVORED COATING.