Very-low calorie diet: A person following a VLCD eats or drinks a commercially prepared formula that has 800 calories or less instead of eating food. Lipoprotein Compounds of protein that carry fats and fat-like substances such as cholesterol in the blood. Overweight Refers to an excess of body weight compared to set standards. The excess weight may come from muscle bone fat and/or body water. Bioelectrical impedance analysis A way to estimate the amount of body weight that is fat and nonfat. Nonfat weight comes from bone muscle body water organs and other body tissues. BIA works by measuring how difficult it is for a harmless electrical current to move through the body. Healthy weight Compared to overweight or obese a body weight that is less likely to be linked with any weight-related health problems such as type 2 diabetes heart disease high blood pressure high blood cholesterol or others. Overweight Being too heavy for one’s height. It is defined as a body mass index BMI of 25 up to 30 kg/m2. Type 2 diabetes: Previously known as “noninsulin-dependent diabetes mellitus” NIDDM or “adult-onset diabetes.” Type 2 diabetes is the most common form of diabetes mellitus. Glucose A building block for most carbohydrates. Digestion causes carbohydrates to break down into glucose. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. Polyunsaturated fat A highly unsaturated fat that is liquid at room temperature.