These bars combine a host of healthful ingredients, among them oats and yogurt. Yogurt is an excellent source of protein, calcium, riboflavin, and vitamin B12. The active cultures found in yogurt may help boost the immune system. Oats may help lower cholesterol and reduce the risk of heart disease. They are a good source of protein, complex carbohydrates, and iron. Oats are also very low in fat while providing a great source of water-soluble fibers, an integral part of dieting in that it makes you feel full over a long period of time. In addition, the fiber and other nutrients found in oats may actually reduce the risk for certain cancers. Try one anytime – it’ll keep you satisfied for hours.