Protein is more than a fad buzzword. It's a key macronutrient and the building block of human tissue. Because protein is an essential part of a healthy diet, POWERBAR PROTEINPLUS was developed according to the needs of world-class athletes and others to be a great-tasting and excellent source of protein. Delicious and convenient for your on-the-go lifestyle, all POWERBAR PROTEINPLUS bars contain 23 grams of our TriSource protein, a blend of the highest quality whey protein isolate, calcium caseinate and soy protein isolate for satisfying, superior nutrition.