Ans: Whey protein is abundantly found in milk and dairy products. Some common food sources of whey protein include milk, cheese, yogurt, and cottage cheese. These dairy products contain varying amounts of whey protein, with whey protein concentrate being more prevalent in cheese and yogurt. Also, many whey protein supplements are available for those seeking a concentrated protein source. These supplements often come in powdered form; you can mix them with milk or any of your favorite beverages.