Whey protein can be found as an ingredient in many consumer retail products at local grocery stores, super-centers, health and nutrition outlets, and online. To find out if a product contains whey protein check the ingredient list located on the label. Products that contain whey protein as a primary source will have whey protein isolate, whey protein concentrate, or hydrolyzed whey protein listed near the beginning of the ingredient list. Examples of these products include: snack and energy bars, sports drinks, drink mixes, and infant formula. Powdered whey protein supplements can also be purchased and added to milk, yogurt, oatmeal, smoothies, or your favorite snack and meal recipes to increase your protein intake.