MRI contrast agents are a group of contrast media used to improve the visibility of internal body structures in magnetic resonance imaging (MRI).RI contrast agents are a group of contrast media used to improve the visibility of internal body structures in magnetic resonance imaging (MRI).
Nutrient-Dense Foods. Nutrient-dense foods contain high levels of nutrients, such as protein, carbohydrates, fats, vitamins and minerals, but with few calories. These foods provide the most bang for your nutritional buck. They are high-quality and generally are minimally processed.
'Energy dense' is a polite way of saying something is high in calories. If you're only able to eat small snacks or infrequent meals, it's a good idea to choose foods that are higher in calories. Healthy energy dense foods include cheese, nuts or nut butter, avocados and legumes. Add your favorite sauce, dressing, shredded or melted cheese, butter, or gravy to a serving of potatoes, rice or pasta, to boost your caloric intake.