New and Improved Taste and Texture 30% Trisource Protein - (a special mix of milk, whey and soy protein) Supports Muscle Building & Fast Recovery PowerBar Protein Plus bars were developed according to the needs of world-class athletes and others to be a great-tasting and excellent source of protein. For satisfying, superior nutrition, all PowerBar Protein Plus bars contain our PowerBar Trisource protein blend — a combination of high-quality soy protein isolate, whey protein isolate, and calcium caseinate that helps to rebuild muscle after exercise. Suggested Usage: 1 bar per day. Consume as a high protein, between meal snack or immediately after training to assist recovery. Use in conjunction with a nutritious diet and appropriate physical training or exercise program.