Fat A major source of energy in the diet. All food fats have 9 calories per gram. Insulin A hormone in the body that helps move glucose sugar from the blood to muscles and other tissues. Saturated fat: A fat that is solid at room temperature. Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Saturated fat is found in high-fat dairy products like cheese whole milk cream butter and regular ice cream fatty fresh and processed meats the skin and fat of chicken and turkey lard palm oil and coconut oil. Obesity Having a high amount of body fat. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. Registered Dietitian A health professional who is a food and nutrition expert. Lipoprotein Compounds of protein that carry fats and fat-like substances such as cholesterol in the blood. Glucose A building block for most carbohydrates. Digestion causes carbohydrates to break down into glucose. Bariatric surgery Surgery on the stomach and/or intestines to help the patient with extreme obesity lose weight. Bariatric surgery is a weight-loss method used for people who have a body mass index BMI above 40. 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.