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.
Eating nutrient-dense foods from the major food groups in recommended proportions, and remaining within your daily calorie limit, helps you plan healthy meals that offer protection against major illnesses, such as diabetes, heart disease, cancer, excess body weight and obesity.