Oatmeal is rich in rich in fiber, vitamins, minerals, magnesium, and protein and it makes smoothies satisfyingly thick and ultra filling. Oats are rich in beta-glucans, which have been associated with reducing LDL cholestrol levels. Incorporating oats into your smoothie can contribute to maintaining a healthy heart by actively working to lower choledtrol levels and thereby reducing the risk of cardiovascular diseases. This oatmeal smoothie will keep you full all morning, and the Oatmeal is a big part of that.